Yahenni, Undying Partisan [Aether Revolt]Set: Aether Revolt Type: Legendary Creature Aetherborn Vampire Rarity: Rare Cost: {2}{B} Haste Whenever a creature an opponent controls dies, put a +1 +1 counter on Yahenni, Undying Partisan. Sacrifice another creature: Yahenni gains indestructible until end of turn. "The time for subtlety is over, darling."

Set: Betrayers of Kamigawa Type: Legendary Creature — Rat Ninja Rarity: Rare Cost: {4}{B}{B} Ninjutsu {3}{B}{B} ({3}{B}{B}

reveal that many cards from the top of your library

Crippling fear precedes it

Set: Black & White: Legendary Treasures Type: Colorless Rarity: Ultra Rare Retreat cost: Colorless

{T}: Target instant or sorcery card in your graveyard gains flashback until end of turn

Set: Future Sight Type: Legendary Creature — Human Cleric Rarity: Rare Cost: {1}{W}{W} {T}: Prevent all damage that would be dealt to target creature this turn

"I came seeking a challenge

Set: Diamond & Pearl: Trainer Kit - Lucario Type: Item Rarity: Promo

if Farsight Mask is untapped

Set: Guilds of Ravnica Prerelease Promos Type: Creature — Illusion Rarity: Rare Cost: {1}{U} Flying

You choose a nonland card from it with mana value 3 or less

and library for up to four cards with that name and exile them