Tropical Tidal Wave (HGSS18) [HeartGold & SoulSilver: Black Star Promos]Set: HeartGold & SoulSilver: Black Star Promos Type: Item Rarity: Black Star Promo

each player may pay any amount of life

Set: Modern Masters 2015 Type: Tribal Enchantment — Faerie Rarity: Mythic Cost: {1}{B} At the beginning of your upkeep

−3: Destroy target artifact

For each 1 damage that would be dealt to Rock Hydra

Set: Unlimited Edition Type: Creature — Specter Rarity: Uncommon Cost: {1}{B}{B} Flying

Set: Urza's Saga Type: Legendary Land Rarity: Rare {T}: Add {G} for each creature you control

When Ulvenwald Hydra enters the battlefield

Set: Arabian Nights Type: Instant Rarity: Common Cost: {1}{W}{W} Attacking creatures get +2/+0 until end of turn

Set: Commander 2016 Type: Sorcery Rarity: Rare Cost: {3}{R}{R} Each player discards their hand

I'd have told you what it was

Set: San Diego Comic-Con 2016 Type: Legendary Planeswalker — Liliana Rarity: Mythic Cost: {1}{B}{B} +1: Up to one target creature gets -2/-1 until your next turn

Set: Core Set 2020 Prerelease Promos Type: Creature — Hydra Rarity: Rare Cost: {X}{G}{G} Trample