Narset, Enlightened Master [Secret Lair Drop Series] Wizards Play Network 2009 Shapeshifter's power is equal to

Shapeshifter's power is equal to the last chosen number and its toughness is equal to 7 minus that number

Set: Apocalypse Type: Enchantment Rarity: Rare Cost: {1}{B}{B} At the beginning of your upkeep

Set: Urza's Destiny Type: Sorcery Rarity: Rare Cost: {3}{W} Return all enchantment cards from your graveyard to the battlefield

Ridiculous

Card TypeLegendary Planeswalker — Ajani

Narset, Enlightened Master [Secret Lair Drop Series] Wizards Play Network 2009 Shapeshifter's power is equal toSet: Secret Lair Drop Series Type: Legendary Creature Human Monk Rarity: Mythic Cost: {3}{U}{R}{W} First strike, hexproof Whenever Narset, Enlightened Master attacks, exile the top four cards of your library. Until end of turn, you may cast noncreature spells from among those cards without paying their mana costs.