Prosper, Tome-Bound [The List] Theros Beyond Death Tokens Set: Innistrad: Crimson Vow Type:

Set: Innistrad: Crimson Vow Type: Legendary Creature — Vampire Rarity: Mythic Cost: {2}{B}{B} Flying

they play it without paying its mana cost

pay life equal to that spell's mana value rather than pay its mana cost

you may pay {1}{R/W}

Activate only if you control a creature with power 4 or greater

Prosper, Tome-Bound [The List] Theros Beyond Death Tokens Set: Innistrad: Crimson Vow Type:Set: The List Type: Legendary Creature Tiefling Warlock Rarity: Mythic Cost: {2}{B}{R} Deathtouch Mystic Arcanum At the beginning of your end step, exile the top card of your library. Until the end of your next turn, you may play that card. Pact Boon Whenever you play a card from exile, create a Treasure token.