Doubling Cube [Tenth Edition] Dragon you lose the game

you lose the game

each opponent loses life equal to the life that player lost this turn

Set: Aether Revolt Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {6} Whenever Gonti's Aether Heart or another artifact enters the battlefield under your control

Set: Legends Type: Enchantment Rarity: Rare Cost: {1}{B} If a player would draw a card except the first one they draw in each of their draw steps

you may add an amount of {C} equal to the number of creatures you control that share a creature type with it

Doubling Cube [Tenth Edition] Dragon you lose the gameSet: Tenth Edition 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.