Liberator, Urza's Battlethopter (Promo Pack) [The Brothers' War Promos] Transformers Tokens When Niv-Mizzet Reborn enters the

When Niv-Mizzet Reborn enters the battlefield

"Progress update: the problem of the slagheap blocking the entrance seems to have solved itself

You may put a land card from your hand onto the battlefield

As long as you control a creature

{T}: Double the amount of each type of unspent mana you have

Liberator, Urza's Battlethopter (Promo Pack) [The Brothers' War Promos] Transformers Tokens When Niv-Mizzet Reborn enters theSet: The Brothers' War Promos Type: Legendary Artifact Creature Legendary Artifact Creature Thopter Rarity: Rare Cost: {3} Flash Flying You may cast colorless spells and artifact spells as though they had flash. Whenever you cast a spell, if the amount of mana spent to cast that spell is greater than Liberator, Urza's Battlethopter's power, put a +1 +1 counter on Liberator.