Force de la Nature

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) At the beginning of your upkeep, this creature deals 8 damage to you unless you pay {G}{G}{G}{G}.

"It blinked, and flower petals fell like tears. Harthar, sensing weakness, attacked—and his blood fell like petals." —Shesul Fass, faerie bard