Monkey Cage [Mercadian Masques]Set: Mercadian Masques Type: Artifact Rarity: Rare Cost: {5} When a creature enters the battlefield, sacrifice Monkey Cage and create X 2 2 green Monkey creature tokens, where X is that creature's mana value.

Set: Sun & Moon: Unbroken Bonds Type: Energy Rarity: Secret Rare

Set: Sword & Shield: Evolving Skies Type: Fighting Rarity: Ultra Rare Retreat cost: Colorless

The pits have their own form of mercy

Set: Sun & Moon: Base Set Type: Fairy Rarity: Holo Rare Retreat cost: Colorless

Set: Sun & Moon: Shining Legends Type: Fire Rarity: Secret Rare Retreat cost: Colorless

If Cosmic Horror is destroyed this way

defending player discards a card

Set: Platinum: Rising Rivals Type: Water Rarity: Uncommon Retreat cost: Colorless

create a 1/1 black Assassin creature token with deathtouch and haste

Set: Sun & Moon: Hidden Fates Type: Water Rarity: Holo Rare Retreat cost: Colorless

creatures your opponents control lose all abilities and have base power and toughness 1/1 until end of turn

Set: XY: Furious Fists Type: Water Rarity: Ultra Rare Retreat cost: Colorless