Mana Echoes [Double Masters] Human Barbarian Soldier both creatures have flying

both creatures have flying

Set: Urza's Saga Type: Legendary Land Rarity: Rare {T}: Add {U} for each artifact you control

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

you may pay {B}

Mana Echoes [Double Masters] Human Barbarian Soldier both creatures have flyingSet: Double Masters Type: Enchantment Rarity: Mythic Cost: {2}{R}{R} Whenever a creature enters the battlefield, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it. When the ground is saturated with mana, even the lightest footstep can bring it to the surface.