Eldrazi Confluence [Modern Horizons 3 Commander] Nightmare Hydra Set: Commander Masters Type: Legendary

Set: Commander Masters Type: Legendary Creature — Dragon Avatar Rarity: Mythic Cost: {4}{W}{U}{B}{R}{G} Eminence — As long as The Ur-Dragon is in the command zone or on the battlefield

you can negate the Summon of a monster and destroy it

Set: Legacy of Destruction Card type: Effect Monster Rarity: Quarter Century Secret Rare Attack: 1200 Defense: 1200 While you control a monster

Set: 30th Anniversary Tokens Type: Token Creature — Human Cleric Rarity: Common This version of this card has a non-standard Magic back

There are some qualities—some incorporate things

Eldrazi Confluence [Modern Horizons 3 Commander] Nightmare Hydra Set: Commander Masters Type: LegendarySet: Modern Horizons 3 Commander Type: Instant Rarity: Rare Cost: {2}{C}{C} Choose three. You may choose the same mode more than once. Target creature gets +3 3 until end of turn. Exile target nonland permanent, then return it to the battlefield tapped uner its owner's control. Create a 1 1 colorless Eldrazi Scion creature token with "Sacrifice this creature: Add X."