The Founding Titan

Indestructible, Hexproof
When The Founding Titan enters the battlefield, gain control of all other creatures until end of turn.
They gain haste until end of turn, untap them.
{x}: Destroy X creatures.
Whenever The Founding Titan attacks, each
opponent mills the
top 10 cards of their library. You gain control of 5 creatures that were milled this way until end of
next turn.