Hurkyl's Recall [The List] Planechase 2012 double the power of each

double the power of each other creature you control until end of turn

Take this delightful trinket for instance

Princess Luna

Set: Base Set Shadowless Unlimited Type: Water Rarity: Holo Rare Retreat cost: Colorless

Set: World Championship Decks 2001 Type: Creature — Specter Rarity: Rare Cost: {2}{B}{R} Flying

Hurkyl's Recall [The List] Planechase 2012 double the power of eachSet: The List Type: Instant Rarity: Rare Cost: {1}{U} Return all artifacts target player owns to their hand. Hurkyl's research at the College of Lat Nam wasn't enough to stop the two brothers, but for centuries thereafter her spellcraft taught artificers restraint.