Raiga, Thunder Fang

Islandwalk.
{t}Choose one of the following, where X is the
amount of Energy counters in play under owners control. You lose Y life.
• Do X damage to target creature or planeswalker.
• Return X spells in graveyard to library.
• Gain X life.
{e}{e}{e}{e}{e}: You may choose another one of the
above but you also consume all energy counters.