Buff Filigree Familiar

Vigilance, Trample, Lifelink.

When Buff Filigree Familiar enters the battlefield, gain life equal to the greatest power under your control.

When Buff Filigree Familiar leaves the battlefield, draw cards equal to the greatest toughness on the battlefield.

If Buff Filigree Familiar would be put into a graveyard, instead put it in exile.