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

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

The Kenriths' Royal Funeral | Legendary Enchantment | | When The Kenriths' Royal Funeral enters the battlefield, exile up to two target legendary creature cards from your graveyard. You draw X cards and you lose X life, where X is the greatest mana value among cards exiled this way. Legendary spells you cast cost {1} less to cast for each card exiled with The Kenriths' Royal Funeral. | Manuel Castañón

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