Malfunctioning Destroyer

Indestructible, hexproof
{t}: Add {r}{r}{r} to your mana pool.
{3}{r}{r}: Add a repair counter to Malfunctioning Destroyer.
At the beginning of each upkeep, put a repair
counter Malfunctioning Destroyer.
{t}, Remove 25 repair counters from Malfunctioning Destroyer: Target player loses
the game.