Abyssal Horror [Starter 1999]Set: Starter 1999 Type: Creature Horror Rarity: Rare Cost: {4}{B}{B} Flying When Abyssal Horror enters the battlefield, target player discards two cards.

Set: XY: Base Set Type: Lightning Rarity: Rare

Set: EX: Emerald Type: Fire Rarity: Rare Retreat cost: Colorless

Set: Black & White: Plasma Freeze Type: Grass Rarity: Common Retreat cost: Colorless

When Arcane Savant enters the battlefield

Set: EX: Sandstorm Type: Water Rarity: Holo Rare Retreat cost: Colorless

Set: EX: Team Magma vs Team Aqua Type: Grass Rarity: Rare Retreat cost: Colorless

Set: Sword & Shield: Base Set Type: Water Rarity: Holo Rare Retreat cost: Colorless

then sacrifice it unless you pay its upkeep cost for each age counter on it

crossway watcher

Set: Sun & Moon: Burning Shadows Type: Water Rarity: Rare Retreat cost: Colorless

Set: POP Series 3 Type: Fighting Rarity: Uncommon Retreat cost: Colorless

Set: Commander's Arsenal Type: Legendary Creature — Human Advisor Rarity: Rare Cost: {3}{R} {T}: Destroy target creature of your choice