Ghastflame Plunderer

Haste, menace
Whenever Ghastflame Plunderer deals combat
damage to a player, that player reveals their hand.
You choose a nonland card from it. That player
exiles that card. Until end of turn, you may cast
that card, and you may spend mana as though it
were mana of any type to cast it.
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Some pirate gold; he pirates souls.