Kamachal

Menace {R}: Kamachal, Ship’s Mascot gets +1/+0 until end of turn. Whenever Kamachal deals combat damage to a player, discover half of X rounded down. Where X is equal to the damage dealt. (Exile cards from the top of your library until you exile a nonland card with mana value X or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)