March of the Machine: The Aftermath

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

Feast of the Victorious Dead | Enchantment | | At the beginning of your end step, if one or more creatures died this turn, you gain that much life and distribute that many +1/+1 counters among creatures you control. | Alexey Kruglov

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