Mana Vortex [The Dark] Dragon Wurm Set: Dominaria Prerelease Promos Type:

Set: Dominaria Prerelease Promos Type: Legendary Artifact — Vehicle Rarity: Mythic Cost: {4} Flying

Disciple of Iroas gets +1/+1 for each experience counter you have

" —Golran

The same is true for creature spells you control and creature cards you own that aren't on the battlefield

Mana Vortex [The Dark] Dragon Wurm Set: Dominaria Prerelease Promos Type:Set: The Dark Type: Enchantment Rarity: Rare Cost: {1}{U}{U} When you cast this spell, counter it unless you sacrifice a land. At the beginning of each player's upkeep, that player sacrifices a land. When there are no lands on the battlefield, sacrifice Mana Vortex.