Busted Seal

Hexproof
You may activate Summon abilities of cards in
your graveyard without paying their costs.
{t}, Sacrifice Busted Seal: Each opponent loses 4
life.
Summon {2}{u}{b}{r} ({2}{u}{b}{r}: Put this card from
your graveyard onto the battlefield transformed and
under your control. If it would die, exile it instead.)