Haunting Specter (Blue) [MST142] (Part the Mistveil) Rainbow Foil Condition:Heavily Played Rainbow Foil return target permanent card with

return target permanent card with mana value 3 or less from your graveyard to the battlefield

Set: Amonkhet Type: Enchantment Rarity: Uncommon Cost: {2}{B} Whenever you put one or more -1/-1 counters on a creature

but I believe a more mundane power source might suffice

"The mountain's fire surges beneath your feet

Set: March of the Machine Type: Legendary Creature — Elder Dinosaur Rarity: Rare Cost: {5}{R}{R} Trample

Haunting Specter (Blue) [MST142] (Part the Mistveil) Rainbow Foil Condition:Heavily Played Rainbow Foil return target permanent card withSet: Part the Mistveil Finish: Rainbow Foil Type: Action Subtype: Aura Rarity: Rare Class: Illusionist Cost: 2 When this leaves the arena, create a Spectral Shield token, then if you control no other Illusionist auras, put a +1POWER counter on it. Ward 2 (If you would be dealt damage, destroy this to prevent 2 of that damage.)