Bloomburrow

Blacksmith's Talent | Enchantment | Class | (Gain the next level as a sorcery to add its ability.) When Blacksmith's Talent enters, create a colorless Equipment artifact token named Sword with "Equipped creature gets +1/+1" and equip {2}. {2}{R}: Level 2 At the beginning of combat on your turn, attach target Equipment you control to up to one target creature you control. {3}{R}: Level 3 During your turn, equipped creatures you control have double strike and haste. | Vincent Christiaens

Blooming Blast | Instant | | Gift a Treasure (You may promise an opponent a gift as you cast this spell. If you do, they create a Treasure token before its other effects. It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Blooming Blast deals 2 damage to target creature. If the gift was promised, Blooming Blast also deals 3 damage to that creature's controller. | Jakob Eirich

Brambleguard Captain | Creature | Mouse Soldier | At the beginning of combat on your turn, target creature you control gets +X/+0 until end of turn, where X is Brambleguard Captain's power. | Quintin Gleim

Brazen Collector | Creature | Raccoon Rogue | First strike Whenever Brazen Collector attacks, add {R}. Until end of turn, you don't lose this mana as steps and phases end. | Aldo Domínguez

Coruscation Mage | Creature | Otter Wizard | Offspring {2} (You may pay an additional {2} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent. | Gaboleps

Flamecache Gecko | Creature | Lizard Warlock | When Flamecache Gecko enters, if an opponent lost life this turn, add {B}{R}. {1}{R}, Discard a card: Draw a card. | Brian Valeza

Harnesser of Storms | Creature | Otter Wizard | Whenever you cast a noncreature or Otter spell, you may exile the top card of your library. Until end of turn, you may play that card. This ability triggers only once each turn. | Bram Sels

Heartfire Hero | Creature | Mouse Soldier | Valiant — Whenever Heartfire Hero becomes the target of a spell or ability you control for the first time each turn, put a +1/+1 counter on it. When Heartfire Hero dies, it deals damage equal to its power to each opponent. | Jakub Kasper

Hoarder's Overflow | Enchantment | | When Hoarder's Overflow enters and whenever you expend 4, put a stash counter on it. (You expend 4 as you spend your fourth total mana to cast spells during a turn.) {1}{R}, Sacrifice Hoarder's Overflow: Discard your hand, then draw cards equal to the number of stash counters on Hoarder's Overflow. | Andrea Radeck

Playful Shove | Sorcery | | Playful Shove deals 1 damage to any target. Draw a card. | Zoltan Boros

Quaketusk Boar | Creature | Elemental Boar | Reach, trample, haste | Andrew Mar

Rabid Gnaw | Instant | | Target creature you control gets +1/+0 until end of turn. Then it deals damage equal to its power to target creature you don't control. | Mark Behm

Reptilian Recruiter | Creature | Lizard Warrior | Trample When Reptilian Recruiter enters, choose target creature. If that creature's power is 2 or less or if you control another Lizard, gain control of that creature until end of turn, untap it, and it gains haste until end of turn. | Joshua Cairos

Teapot Slinger | Creature | Raccoon Warrior | Menace Whenever you expend 4, Teapot Slinger deals 2 damage to each opponent. (You expend 4 as you spend your fourth total mana to cast spells during a turn.) | Wisnu Tan

Valley Rally | Instant | | Gift a Food (You may promise an opponent a gift as you cast this spell. If you do, they create a Food token before its other effects. It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") Creatures you control get +2/+0 until end of turn. If the gift was promised, target creature you control gains first strike until end of turn. | Sidharth Chaturvedi

Wildfire Howl | Sorcery | | Gift a card (You may promise an opponent a gift as you cast this spell. If you do, they draw a card before its other effects.) Wildfire Howl deals 2 damage to each creature. If the gift was promised, instead Wildfire Howl deals 1 damage to any target and 2 damage to each creature. | Manuel Castañón

Seedglaive Mentor | Creature | Mouse Soldier | Vigilance, haste Valiant — Whenever Seedglaive Mentor becomes the target of a spell or ability you control for the first time each turn, put a +1/+1 counter on it. | Vincent Christiaens

Stormcatch Mentor | Creature | Otter Wizard | Haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Instant and sorcery spells you cast cost {1} less to cast. | Manuel Castañón

Fireglass Mentor | Creature | Lizard Warlock | At the beginning of your second main phase, if an opponent lost life this turn, exile the top two cards of your library. Choose one of them. Until end of turn, you may play that card. | Henry Peters

Wandertale Mentor | Creature | Raccoon Bard | Whenever you expend 4, put a +1/+1 counter on Wandertale Mentor. (You expend 4 as you spend your fourth total mana to cast spells during a turn.) {T}: Add {R} or {G}. | Jakub Kasper

Rockface Village | Land | | {T}: Add {C}. {T}: Add {R}. Spend this mana only to cast a creature spell. {R}, {T}: Target Lizard, Mouse, Otter, or Raccoon you control gets +1/+0 and gains haste until end of turn. Activate only as a sorcery. | Thomas Stoop