March of the Machine: The Aftermath

Tazri, Stalwart Survivor | Legendary Creature | Human Warrior | Each creature you control has "{T}: Add one mana of any of this creature's colors. Spend this mana only to activate an ability of a creature. Activate only if this creature has another activated ability." {W}{U}{B}{R}{G}, {T}: Mill five cards. Put all creature cards with activated abilities that aren't mana abilities from among the milled cards into your hand. | Manuel Castañón

Ayara's Oathsworn | Creature | Human Knight | Menace Whenever Ayara's Oathsworn deals combat damage to a player, if it has fewer than four +1/+1 counters on it, put a +1/+1 counter on it. Then if it has exactly four +1/+1 counters on it, search your library for a card, put it into your hand, then shuffle. | Johann Bodin

Urborg Scavengers | Creature | Spirit | Whenever Urborg Scavengers enters the battlefield or attacks, exile target card from a graveyard. Put a +1/+1 counter on Urborg Scavengers. Urborg Scavengers has flying as long as a card exiled with it has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance. | Svetlin Velinov

Jirina, Dauntless General | Legendary Creature | Human Soldier | When Jirina, Dauntless General enters the battlefield, exile target player's graveyard. Sacrifice Jirina: Humans you control gain hexproof and indestructible until end of turn. | Cristi Balanescu

Nashi, Moon's Legacy | Legendary Creature | Rat Shaman | Menace, ward {1} Whenever Nashi, Moon's Legacy attacks, exile up to one target legendary or Rat card from your graveyard and copy it. You may cast the copy. (You still pay its costs. A copy of a permanent spell becomes a token.) | Patrik Hell

Niv-Mizzet, Supreme | Legendary Creature | Dragon Avatar | Flying, hexproof from monocolored Each instant and sorcery card in your graveyard that's exactly two colors has jump-start. (You may cast that card from your graveyard by discarding a card in addition to paying its other costs. Then exile it.) | Joshua Raphael