Legendary Creature — Dinosaur
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Whenever Pantlaza or another Dinosaur you control enters, you may discover X, where X is that creature's toughness. Do this only once each turn. (Exile cards from the top of your library until you exile a nonland card with that mana value 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.)
If the discovered card has
in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.