Xantcha (Oversize) [Vanguard] Warrior/Fusion/Effect Attack 1: [RRRR] Fire Spin

Attack 1: [RRRR] Fire Spin (100)

Number: REDU-EN015 Rarity: Ultimate Rare Attribute Monster Type/Card Type: WATER Spellcaster/Effect Monster Level: 2 A / D: 500 / 400 Description: When this card is Normal Summoned or flipped face-up: Add 1 "Spellbook" Spell Card from your Deck to your hand

Shatterskull Pass is a pretty distant second

(Each U in the mana costs of permanents you control counts toward your devotion to blue

Xantcha (Oversize) [Vanguard] Warrior/Fusion/Effect Attack 1: [RRRR] Fire SpinRarity: P Card Type: Vanguard Character P T: 1 3 Description: Sacrifice a permanent: Regenerate target creature. Flavor: A Phyrexian sleeper agent, Xantcha has developed an inviolate sense of self. This aberration earned her a death sentence, but she was rescued by Urza and joined his crusade. Her Phyrexian credo of Waste not, want not has helped Urza more than even he