Jellybean,the Jealous Guardian

Whenever an opponent casts a spell that targets you
or a creature you control, Jellybean, the Jealous
Guardian deals 8 damage to that opponent.
Whenever Jellybean is dealt damage, you may exile it.
If you do, return it to the battlefield under your
control at the beginning of the next end step.
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Just another "Drop-In" Visit ;)