Hedron Detonator (Extended Art) (118) - March of the Machine Commander Magic Player Rewards 2006 counter that spell or ability

counter that spell or ability unless its controller pays

enchantments

put a +1/+1 counter on Runaway Steam-Kin

Set: The List Type: Creature — Shapeshifter Ally Rarity: Rare Cost: {1}{U} You may have Jwari Shapeshifter enter the battlefield as a copy of any Ally creature on the battlefield

Hedron Detonator (Extended Art) (118) - March of the Machine Commander Magic Player Rewards 2006 counter that spell or abilitySet: March of the Machine Commander Type: Creature Goblin Artificer Rarity: Rare Cost: {2}{R} Whenever an artifact enters the battlefield under your control, Hedron Detonator deals 1 damage to target opponent. {T}, Sacrifice two artifacts: Exile the top card of your library. You may play that card this turn.