Old-Growth Gigapede

Hexproof
Bloodrush — {2}{g}{g}, Discard Old-Growth
Gigapede: Target attacking creature gets +6/+6
and gains hexproof until end of turn.
Whenever you discard one or more cards, if
Old-Growth Gigapede is in your graveyard, you
may pay {g}{g}. If you do, return Old-Growth
Gigapede to your hand.