Flying Archfiend of the Dross enters the battlefield with four oil counters on it. At the beginning of your upkeep, remove an oil counter from Archfiend of the Dross. Then if it has no oil counters on it, you lose the game. Whenever a creature an opponent controls dies, its controller loses 2 life.
Lifelink When Archfiend's Vessel enters the battlefield, if it entered from your graveyard or you cast it from your graveyard, exile it. If you do, create a 5/5 black Demon creature token with flying.
Whenever Archghoul of Thraben or another Zombie you control dies, look at the top card of your library. If it's a Zombie card, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it into your graveyard.
Mutate {5}{U} Whenever this creature mutates, tap up to X target creatures, where X is the number of times this creature has mutated. Those creatures don't untap during their controller's next untap step.
Flying Whenever Archive Haunt attacks, draw a card, then discard a card. If Archive Haunt would be put into a graveyard from anywhere, exile it instead.
Cleaning up his life's work was his afterlife's work.
Whenever Archmage's Newt deals combat damage to a player, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. That card gains flashback {0} until end of turn instead if Archmage's Newt is saddled. Saddle 3
Flying Whenever Archon of Redemption or another creature with flying enters the battlefield under your control, you may gain life equal to that creature's power.
Until Emeria is freed, he raises his sword in her name.
Flying, lifelink Pegasus creatures you control have lifelink. Constellation — Whenever an enchantment enters the battlefield under your control, create a 2/2 white Pegasus creature token with flying.
Archpriest of Iona's power is equal to the number of creatures in your party. At the beginning of combat on your turn, if you have a full party, target creature gets +1/+1 and gains flying until end of turn.
Backup 1 Deathtouch Whenever this creature deals combat damage to a player or battle, return target creature card from your graveyard to the battlefield.
Archway Commons enters the battlefield tapped. When Archway Commons enters the battlefield, sacrifice it unless you pay {1}. {T}: Add one mana of any color.
Flying, haste At the beginning of combat on your turn, if you've cast three or more instant and sorcery spells this turn, return Arclight Phoenix from your graveyard to the battlefield.