Scour [Urza's Destiny] Dragon Hydra Set: Rivals of Ixalan Type:

Set: Rivals of Ixalan Type: Enchantment Rarity: Uncommon Cost: {1}{W} When Baffling End enters the battlefield

you get {E}{E}

Set: Theros Beyond Death Promos Type: Legendary Creature — Zombie Hydra Rarity: Mythic Cost: {2}{B}{G} Polukranos enters the battlefield with six +1/+1 counters on it

Set: Ravnica Allegiance Type: Instant Rarity: Rare Cost: {2}{W}{U} Put up to one target tapped creature on top of its owner's library

Scour [Urza's Destiny] Dragon Hydra Set: Rivals of Ixalan Type:Set: Urza's Destiny Type: Instant Rarity: Uncommon Cost: {2}{W}{W} Exile target enchantment. Search its controller's graveyard, hand, and library for all cards with the same name as that enchantment and exile them. Then that player shuffles their library.