Selvala, Heart of the Wilds 429 (Jumpstart)

Whenever another creature enters, its controller may draw a card if its power is greater than each other creature's power. {G}, {T}: Add X mana in any combination of colors, where X is the greatest power among creatures you control.

NM - $11.50
LP - $9.20
MP - $6.90
HP - $4.60
DMG - $2.30