Hungering Hydra [Core Set 2019 Prerelease Promos] Water[+20] then put the card on

then put the card on top of it

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

Set: Sword & Shield: Black Star Promos Type: Psychic Rarity: Promo Retreat cost: Colorless

Set: Sword & Shield: Chilling Reign Type: Darkness Rarity: Ultra Rare Retreat cost: Colorless

Hungering Hydra [Core Set 2019 Prerelease Promos] Water[+20] then put the card onSet: Core Set 2019 Prerelease Promos Type: Creature Hydra Rarity: Rare Cost: {X}{G} Hungering Hydra enters the battlefield with X +1 +1 counters on it. Hungering Hydra can't be blocked by more than one creature. Whenever Hungering Hydra is dealt damage, put that many +1 +1 counters on it. (It must survive the damage to get the counters.)