Antisolip Deathgrow

Undergrowth - Antisolip Deathgrow costs {b/g} less
to cast for each creature card in your graveyard.
Trample, haste, hexproof from red
Whenever Antisolip attacks, you may sacrifice
another creature. If you do, return target creature
with the same converted mana cost from your graveyard to the battlefield tapped and attacking.
"What good is killing the root when the weed
still grows?" - Aib'm, Sword of the Sands