Oppenheimer

Hexproof
{4}{r}{b},{t}: Detonate a nuclear bomb on target creature, dealing 4 damage. If target creature does not die, create a radiation poisoning counter. At each upkeep phase, increase the counter and when the counter reaches the same amount as the thoughness of target creature, it dies.
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"I have become death, destroyer of worlds." Oppenheimer, father of nuclear bombs.