Doran, the Siege Tower [The List] Junior APAC Series you may spend mana as

you may spend mana as though it were mana of any type to pay that spell's mana cost

"For the lost and forgotten

Set: Summer Magic / Edgar Type: Creature — Efreet Rarity: Rare Cost: {2}{U} Flying

Whenever you cast a creature spell of the chosen type

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Rarity: Rare Cost: {2}{W}{W} Huang Zhong

Doran, the Siege Tower [The List] Junior APAC Series you may spend mana asSet: The List Type: Legendary Creature Treefolk Shaman Rarity: Rare Cost: {W}{B}{G} Each creature assigns combat damage equal to its toughness rather than its power. "Each year that passes rings you inwardly with memory and might. Wield your heart, and the world will tremble."