Drib Gib

At the beginning of your upkeep, sacrifice a
creature.
Whenever another creature dies, put a +1/+1
counter on Drib Gib.
{2}, Remove a +1/+1 counter from Drib Gib:
Choose one —
• Counter target spell unless its controller pays {1}.
• Each opponent discards a card.
"It demanded we share with it everything we had and gave only madness in return."
—Omle, Escaped Thrall