Dead Reveler [Mystery Booster] The Brothers' War Prerelease Promos Spend this mana only to

Spend this mana only to cast Dragon spells or activate abilities of Dragons

We live free under the wind

Set: Dominaria United Commander Type: Legendary Creature — Demon Rarity: Rare Cost: {5}{B}{R} Trample

Set: Innistrad: Crimson Vow Type: Legendary Creature — Vampire Noble Rarity: Rare Cost: {2}{W}{B} Other vampires you control get +1/+1

Is that what you're saying

Dead Reveler [Mystery Booster] The Brothers' War Prerelease Promos Spend this mana only toSet: Mystery Booster Type: Creature Zombie Rarity: Common Cost: {2}{B} Unleash (You may have this creature enter the battlefield with a +1 +1 counter on it. It can't block as long as it has a +1 +1 counter on it.) He's the unlife of the party.