Headless Skaab [Dark Ascension] Unstable Tokens Agnur soon learned that their

Agnur soon learned that their blades were quite solid—and razor-sharp

{T}: Gain control of target creature with power less than or equal to Old Man of the Sea's power for as long as Old Man of the Sea remains tapped and that creature's power remains less than or equal to Old Man of the Sea's power

Set: Scourge Type: Creature — Zombie Rarity: Uncommon Cost: {2}{B}{B} Zombie spells you cast cost {1} less to cast

Set: Innistrad: Crimson Vow Type: Instant Rarity: Common Cost: {G} Target creature gets +2/+2 and gains trample until end of turn

This mana doesn't cause mana burn

Headless Skaab [Dark Ascension] Unstable Tokens Agnur soon learned that theirSet: Dark Ascension Type: Creature Zombie Warrior Rarity: Common Cost: {2}{U} As an additional cost to cast this spell, exile a creature card from your graveyard. Headless Skaab enters the battlefield tapped. A head is a needless encumbrance when muscle is all that's required.