Doubling Cube [The List] Sea Serpent Set: Dungeons & Dragons: Adventures

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

You can target any number of Beast

"The academy educates

Set: XY: Ancient Origins Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Set: Kaladesh Prerelease Promos Type: Instant Rarity: Rare Cost: {3}{U} Return any number of target nonland

Doubling Cube [The List] Sea Serpent Set: Dungeons & Dragons: AdventuresSet: 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.