Doubling Cube [The List] Goblin Artificer Spend this mana only to

Spend this mana only to cast spells

Set: Secret Lair Drop Series Type: Basic Land — Island Rarity: Rare ({T}: Add {U}

Set: Streets of New Capenna Commander Promos Type: Sorcery Rarity: Rare Cost: {4}{G}{G} Each creature you control gains vigilance

Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card

Soul Nourisher

Doubling Cube [The List] Goblin Artificer Spend this mana only toSet: 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.