Selvala, Heart of the Wilds
99a3e619-fbdb-406c-9f21-eb582cb878c0
$8.90 CND
Whenever another creature enters the battlefield, 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 to your mana pool, where X is the greatest power among creatures you control.