Derevi, Empyrial Tactician [Commander 2013] Red The unearth cost is equal

The unearth cost is equal to the card's mana cost

Set: Arabian Nights Type: Land Rarity: Uncommon {T}: Draw two cards

tap all untapped creatures that share a creature type with it or untap all tapped creatures that share a creature type with it

"You might as well try to stop the waterfall

None can tell how many vessels are tangled up on the sea floor—or how much treasure remains unclaimed

Derevi, Empyrial Tactician [Commander 2013] Red The unearth cost is equalSet: Commander 2013 Type: Legendary Creature Bird Wizard Rarity: Mythic Cost: {G}{W}{U} Flying Whenever Derevi, Empyrial Tactician enters the battlefield or a creature you control deals combat damage to a player, you may tap or untap target permanent. {1}{G}{W}{U}: Put Derevi onto the battlefield from the command zone.