March of the Machine: The Aftermath

Nissa, Resurgent Animist | Legendary Creature | Elf Scout | Landfall — Whenever a land enters the battlefield under your control, add one mana of any color. Then if this is the second time this ability has resolved this turn, reveal cards from the top of your library until you reveal an Elf or Elemental card. Put that card into your hand and the rest on the bottom of your library in a random order. | Tuan Duong Chu

Nahiri, Forged in Fury | Legendary Creature | Kor Artificer | Affinity for Equipment (This spell costs {1} less to cast for each Equipment you control.) Whenever an equipped creature you control attacks, exile the top card of your library. You may play that card this turn. You may cast Equipment spells this way without paying their mana costs. | Marta Nael

Calix, Guided by Fate | Legendary Enchantment Creature | Human Druid | Constellation — Whenever Calix, Guided by Fate or another enchantment enters the battlefield under your control, put a +1/+1 counter on target creature. Whenever Calix or an enchanted creature you control deals combat damage to a player, you may create a token that's a copy of a nonlegendary enchantment you control. Do this only once each turn. | PINDURSKI

Sarkhan, Soul Aflame | Legendary Creature | Human Shaman | Dragon spells you cast cost {1} less to cast. Whenever a Dragon enters the battlefield under your control, you may have Sarkhan, Soul Aflame become a copy of it until end of turn, except its name is Sarkhan, Soul Aflame and it's legendary in addition to its other types. | Eric Wilkerson

Kiora, Sovereign of the Deep | Legendary Creature | Merfolk Noble | Vigilance, ward {3} Whenever you cast a Kraken, Leviathan, Octopus, or Serpent spell from your hand, look at the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value less than X from among them without paying its mana cost. Put the rest on the bottom of your library in a random order. | Chris Rallis

Ob Nixilis, Captive Kingpin | Legendary Creature | Demon | Flying, trample Whenever one or more opponents each lose exactly 1 life, put a +1/+1 counter on Ob Nixilis, Captive Kingpin. Exile the top card of your library. Until your next end step, you may play that card. | Zezhou Chen

Tyvar the Bellicose | Legendary Creature | Elf Warrior | Whenever one or more Elves you control attack, they gain deathtouch until end of turn. Each creature you control has "Whenever a mana ability of this creature resolves, put a number of +1/+1 counters on it equal to the amount of mana this creature produced. This ability triggers only once each turn." | Jarel Threat

Samut, Vizier of Naktamun | Legendary Creature | Human Warrior Cleric | First strike, vigilance, haste Whenever a creature you control deals combat damage to a player, if that creature entered the battlefield this turn, draw a card. | Jarel Threat

Narset, Enlightened Exile | Legendary Creature | Human Monk | Creatures you control have prowess. Whenever Narset, Enlightened Exile attacks, exile target noncreature, nonland card with mana value less than Narset's power from a graveyard and copy it. You may cast the copy without paying its mana cost. | Marie Magny

Karn, Legacy Reforged | Legendary Artifact Creature | Golem | Karn, Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control. At the beginning of your upkeep, add {C} for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end. | Grzegorz Rutkowski