Yahenni, Undying Partisan (Foil Etched) [Double Masters 2022]Set: Double Masters 2022 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."

You never know who they've been

When Dragonlord Atarka enters the battlefield

And it turns out

Set: POP Series 2 Type: Water Rarity: Rare Retreat cost: Colorless

Set: XY: Phantom Forces Type: Item Rarity: Promo

Set: Secret Lair Drop Series Type: Artifact — Equipment Rarity: Rare Cost: {3} Equipped creature gets +3/+1

you gain 4 life

Dunno how to count no more

Set: Commander Legends: Battle for Baldur's Gate Type: Creature — Dragon Rarity: Rare Cost: {6}{U}{U} Flying

that player sacrifices two lands

At the beginning of each player's draw step

Set: Commander Legends: Battle for Baldur's Gate Type: Land Rarity: Rare Sea of Clouds enters the battlefield tapped unless you have two or more opponents