Doubling Cube [The List] Sea Serpent Then return the same number

Then return the same number of cards from the field to the hand

Set: Battlebond Prerelease Promos Type: Legendary Creature — Illusion Rarity: Rare Cost: {3}{U} Partner with Pir

with a name different from the cards in your GY

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Prerelease Promos Type: Enchantment Rarity: Rare Cost: {3}{W} At the beginning of your end step

Doubling Cube [The List] Sea Serpent Then return the same numberSet: The List Type: Artifact Rarity: Rare Cost: {2} {3}, {T}: Double the amount of each type of unspent mana you have. The cube's surface is pockmarked with jagged runes that seem to shift when unobserved.