Priority Boarding [Unfinity] Fourth Edition (Foreign Black Border) Lair of the Hydra becomes

Lair of the Hydra becomes an X/X green Hydra creature

Set: Eternal Masters Type: Creature — Human Flagbearer Rarity: Common Cost: {3}{W} While an opponent is choosing targets as part of casting a spell they control or activating an ability they control

Set: Duel Decks Anthology Type: Legendary Planeswalker — Jace Rarity: Mythic Cost: {1}{U}{U} +2: Each player draws a card

Set: Core Set 2019 Type: Sorcery Rarity: Rare Cost: {3}{B} Target opponent discards a card

Priority Boarding [Unfinity] Fourth Edition (Foreign Black Border) Lair of the Hydra becomesSet: Unfinity Type: Enchantment Rarity: Uncommon Cost: {2}{R} Whenever you roll a die, you may reveal the top card of your library. Do this only once each turn. Whenever you reveal a card with mana value less than the result this way, you may exile it. If you do, you may play it this turn. The Astrotorium's express lane is practically its own ride.