Foundations

Mold Adder | Creature | Fungus Snake | Whenever an opponent casts a blue or black spell, you may put a +1/+1 counter on Mold Adder. | Matt Cavotta

Ambush Wolf | Creature | Wolf | Flash (You may cast this spell any time you could cast an instant.) When this creature enters, exile up to one target card from a graveyard. | Paolo Parente

Apothecary Stomper | Creature | Elephant | Vigilance (Attacking doesn't cause this creature to tap.) When this creature enters, choose one — • Put two +1/+1 counters on target creature you control. • You gain 4 life. | Edgar Sánchez Hidalgo

Beast-Kin Ranger | Creature | Elf Ranger | Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Whenever another creature you control enters, this creature gets +1/+0 until end of turn. | Alexander Mokhov

Cackling Prowler | Creature | Hyena Rogue | Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) Morbid — At the beginning of your end step, if a creature died this turn, put a +1/+1 counter on this creature. | Christopher Burdett

Eager Trufflesnout | Creature | Boar | Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Whenever this creature deals combat damage to a player, create a Food token. (It's an artifact with "{2}, {T} Sacrifice this token: You gain 3 life.") | Filipe Pagliuso

Elfsworn Giant | Creature | Giant | Reach (This creature can block creatures with flying.) Landfall — Whenever a land you control enters, create a 1/1 green Elf Warrior creature token. | Dave Dorman

Elvish Regrower | Creature | Elf Druid | When this creature enters, return target permanent card from your graveyard to your hand. | Zoltan Boros

Felling Blow | Sorcery | | Put a +1/+1 counter on target creature you control. Then that creature deals damage equal to its power to target creature an opponent controls. | Miro Petrov

Loot, Exuberant Explorer | Legendary Creature | Beast Noble | You may play an additional land on each of your turns. {4}{G}{G}, {T}: Look at the top six cards of your library. You may reveal a creature card with mana value less than or equal to the number of lands you control from among them and put it onto the battlefield. Put the rest on the bottom in a random order. | Arif Wijaya

Mossborn Hydra | Creature | Elemental Hydra | Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) This creature enters with a +1/+1 counter on it. Landfall — Whenever a land you control enters, double the number of +1/+1 counters on this creature. | Monztre

Needletooth Pack | Creature | Dinosaur | Morbid — At the beginning of your end step, if a creature died this turn, put two +1/+1 counters on target creature you control. | Monztre

Preposterous Proportions | Sorcery | | Creatures you control get +10/+10 and gain vigilance until end of turn. | Ben Wootten

Quakestrider Ceratops | Creature | Dinosaur | | Josiah "Jo" Cameron

Quilled Greatwurm | Creature | Wurm | Trample Whenever a creature you control deals combat damage during your turn, put that many +1/+1 counters on it. (It must survive to get the counters.) You may cast this card from your graveyard by removing six counters from among creatures you control in addition to paying its other costs. | Michal Ivan

Spinner of Souls | Creature | Spider Spirit | Reach Whenever another nontoken creature you control dies, you may reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order. | Xavier Ribeiro

Sylvan Scavenging | Enchantment | | At the beginning of your end step, choose one — • Put a +1/+1 counter on target creature you control. • Create a 3/3 green Raccoon creature token if you control a creature with power 4 or greater. | Josiah "Jo" Cameron

Treetop Snarespinner | Creature | Spider | Reach (This creature can block creatures with flying.) Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) {2}{G}: Put a +1/+1 counter on target creature you control. Activate only as a sorcery. | Steve Ellis

Affectionate Indrik | Creature | Beast | When Affectionate Indrik enters, you may have it fight target creature you don't control. (Each deals damage equal to its power to the other.) | Steve Prescott

Bite Down | Instant | | Target creature you control deals damage equal to its power to target creature or planeswalker you don't control. | Kitt Lapeña

Blanchwood Armor | Enchantment | Aura | Enchant creature Enchanted creature gets +1/+1 for each Forest you control. | Manuel Castañón

Broken Wings | Instant | | Destroy target artifact, enchantment, or creature with flying. | Svetlin Velinov

Bushwhack | Sorcery | | Choose one — • Search your library for a basic land card, reveal it, put it into your hand, then shuffle. • Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.) | Artur Nakhodkin

Doubling Season | Enchantment | | If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead. | Chuck Lukacs

Dwynen, Gilt-Leaf Daen | Legendary Creature | Elf Warrior | Reach Other Elf creatures you control get +1/+1. Whenever Dwynen, Gilt-Leaf Daen attacks, you gain 1 life for each attacking Elf you control. | Johannes Voss

Dwynen's Elite | Creature | Elf Warrior | When Dwynen's Elite enters, if you control another Elf, create a 1/1 green Elf Warrior creature token. | Volkan Baǵa

Elvish Archdruid | Creature | Elf Druid | Other Elf creatures you control get +1/+1. {T}: Add {G} for each Elf you control. | Karl Kopinski

Garruk's Uprising | Enchantment | | When Garruk's Uprising enters, if you control a creature with power 4 or greater, draw a card. Creatures you control have trample. Whenever a creature you control with power 4 or greater enters, draw a card. | Wisnu Tan

Genesis Wave | Sorcery | | Reveal the top X cards of your library. You may put any number of permanent cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard. | Arif Wijaya

Ghalta, Primal Hunger | Legendary Creature | Elder Dinosaur | This spell costs {X} less to cast, where X is the total power of creatures you control. Trample | Chase Stone

Giant Growth | Instant | | Target creature gets +3/+3 until end of turn. | Matt Cavotta

Gnarlid Colony | Creature | Beast | Kicker {2}{G} (You may pay an additional {2}{G} as you cast this spell.) If Gnarlid Colony was kicked, it enters with two +1/+1 counters on it. Each creature you control with a +1/+1 counter on it has trample. | Izzy

Grow from the Ashes | Sorcery | | Kicker {2} (You may pay an additional {2} as you cast this spell.) Search your library for a basic land card, put it onto the battlefield, then shuffle. If this spell was kicked, instead search your library for two basic land cards, put them onto the battlefield, then shuffle. | Richard Wright

Inspiring Call | Instant | | Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.) | Dan Murayama Scott

Llanowar Elves | Creature | Elf Druid | {T}: Add {G}. | Kev Walker

Mild-Mannered Librarian | Creature | Human | {3}{G}: Mild-Mannered Librarian becomes a Werewolf. Put two +1/+1 counters on it and you draw a card. Activate only once. | Justyna Dura

Nessian Hornbeetle | Creature | Insect | At the beginning of combat on your turn, if you control another creature with power 4 or greater, put a +1/+1 counter on Nessian Hornbeetle. | Jason Felix

Overrun | Sorcery | | Creatures you control get +3/+3 and gain trample until end of turn. | Carl Critchlow

Reclamation Sage | Creature | Elf Shaman | When Reclamation Sage enters, you may destroy target artifact or enchantment. | Christopher Moeller

Scavenging Ooze | Creature | Ooze | {G}: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on Scavenging Ooze and you gain 1 life. | Austin Hsu

Snakeskin Veil | Instant | | Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.) | Dan Murayama Scott

Vivien Reid | Legendary Planeswalker | Vivien | +1: Look at the top four cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. −3: Destroy target artifact, enchantment, or creature with flying. −8: You get an emblem with "Creatures you control get +2/+2 and have vigilance, trample, and indestructible." | Anna Steinbauer

Wary Thespian | Creature | Cat Druid | When Wary Thespian enters or dies, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) | Billy Christian

Wildwood Scourge | Creature | Hydra | Wildwood Scourge enters with X +1/+1 counters on it. Whenever one or more +1/+1 counters are put on another non-Hydra creature you control, put a +1/+1 counter on Wildwood Scourge. | Bryan Sola

Anthem of Champions | Enchantment | | Creatures you control get +1/+1. | Chris Rallis

Good-Fortune Unicorn | Creature | Unicorn | Whenever another creature you control enters, put a +1/+1 counter on that creature. | Kee Lo

Koma, World-Eater | Legendary Creature | Serpent | This spell can't be countered. Trample, ward {4} Whenever Koma deals combat damage to a player, create four 3/3 blue Serpent creature tokens named Koma's Coil. | Mark Zug

Zimone, Paradox Sculptor | Legendary Creature | Human Wizard | At the beginning of combat on your turn, put a +1/+1 counter on each of up to two target creatures you control. {G}{U}, {T}: Double the number of each kind of counter on up to two target creatures and/or artifacts you control. | Nathaniel Himawan

Tatyova, Benthic Druid | Legendary Creature | Merfolk Druid | Landfall — Whenever a land you control enters, you gain 1 life and draw a card. | Mathias Kollros

Maelstrom Pulse | Sorcery | | Destroy target nonland permanent and all other permanents with the same name as that permanent. | John Avon

Wardens of the Cycle | Creature | Elf Warlock | Morbid — At the beginning of your end step, if a creature died this turn, choose one — • You gain 2 life. • You draw a card and you lose 1 life. | Caroline Gariba

Lathril, Blade of the Elves | Legendary Creature | Elf Noble | Menace Whenever Lathril, Blade of the Elves deals combat damage to a player, create that many 1/1 green Elf Warrior creature tokens. {T}, Tap ten untapped Elves you control: Each opponent loses 10 life and you gain 10 life. | Caroline Gariba

Ashroot Animist | Creature | Lizard Druid | Trample When this creature attacks, another target creature you control gains trample and gets +X/+X until end of turn, where X is this creature's power. | Caio Monteiro

Ruby, Daring Tracker | Legendary Creature | Human Scout | Haste Whenever Ruby, Daring Tracker attacks while you control a creature with power 4 or greater, Ruby gets +2/+2 until end of turn. {T}: Add {R} or {G}. | Ekaterina Burmak

Muldrotha, the Gravetide | Legendary Creature | Elemental Avatar | During each of your turns, you may play a land and cast a permanent spell of each permanent type from your graveyard. (If a card has multiple permanent types, choose one as you play it.) | Jason Rainville

Progenitus | Legendary Creature | Hydra Avatar | Protection from everything If Progenitus would be put into a graveyard from anywhere, reveal Progenitus and shuffle it into its owner's library instead. | Jaime Jones

Blossoming Sands | Land | | Blossoming Sands enters tapped. When Blossoming Sands enters, you gain 1 life. {T}: Add {G} or {W}. | Sam Burley

Jungle Hollow | Land | | Jungle Hollow enters tapped. When Jungle Hollow enters, you gain 1 life. {T}: Add {B} or {G}. | Eytan Zana

Rugged Highlands | Land | | Rugged Highlands enters tapped. When Rugged Highlands enters, you gain 1 life. {T}: Add {R} or {G}. | Eytan Zana

Thornwood Falls | Land | | Thornwood Falls enters tapped. When Thornwood Falls enters, you gain 1 life. {T}: Add {G} or {U}. | Eytan Zana

Forest | Basic Land | Forest | ({T}: Add {G}.) | Rebecca Guay

Forest | Basic Land | Forest | ({T}: Add {G}.) | Jim Nelson

Forest | Basic Land | Forest | ({T}: Add {G}.) | Sam Burley

Forest | Basic Land | Forest | ({T}: Add {G}.) | Piotr Dura