Forneus, Scorched Abyss Fiend

Hexproof, Islandwalk
Whenever Forneus, Scorched Abyss Fiend
attacks or blocks, you may pay 4 life. If you do,
scry 2, then draw two cards.
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As the ritual succeeded, the demonic Beast devoured
the cultists, with the whole ocean boiling in its wake.
—The Encyclopaedia Demonicus