Athereon, Pyroclastic Colossus

Trample, Indestructible
At the beginning of your upkeep, you may sacrifice an artifact. If you do, put a +1/+1 counter on Athereon and draw a card
{3}{r}{r}{t} Create a 3/3 red Forge Sentinel artifact creature token with haste and "When this creature attacks it deals one damage to any target"

"Forged by fire, bound by steel, it moves with the fury of the Forge."