Sludge Monster [Innistrad: Midnight Hunt Prerelease Promos]Set: Innistrad: Midnight Hunt Prerelease Promos Type: Creature Horror Rarity: Rare Cost: {3}{U}{U} Whenever Sludge Monster enters the battlefield or attacks, put a slime counter on up to one other target creature. Non Horror creatures with slime counters on them lose all abilities and have base power and toughness 2 2. Tracking it isn't the hard part.

Gitaxian sective

create a token that's a copy of that card

put Lake of the Dead onto the battlefield

then scry 2

Set: International Collectors' Edition Type: Creature — Specter Rarity: Uncommon Cost: {1}{B}{B} Flying

exile it instead

that player gains 2 life

Set: Black & White: Emerging Powers Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

Set: Core Set 2019 Promos Type: Creature — Dragon Rarity: Rare Cost: {3}{R}{R} Flying

put a loyalty counter on Nissa of Shadowed Boughs

If it's the second time

• Search your library for up to two creature cards