They never keep it for long
Set: Rivals of Ixalan Promos Type: Creature — Merfolk Shaman Rarity: Rare Cost: {3}{G} Whenever World Shaper attacks
Set: Classic Sixth Edition Type: Artifact Rarity: Uncommon Cost: {3} Sacrifice a creature: Add {C}{C}
• Voracious Hydra fights target creature you don't control
Set: The Dark Type: Creature — Human Knight Rarity: Rare Cost: {3}{W} Protection from red
Invoked Mechaba [FUEN-EN032] Secret Rare Ritual/Effect Monster They never keep it forSet: Fusion Enforcers Card type: Fusion Effect Monster Rarity: Secret Rare Attack: 2500 Defense: 2100 "Aleister the Invoker" + 1 LIGHT monster Once per turn, during either player's turn, when a Spell Trap Card, or monster effect, is activated: You can send the same type of card (Monster, Spell, or Trap) from your hand to the Graveyard; negate the activation, and if you do, banish that card.