Ravenous Tyrannosaurus (Source Material - Borderless) IMA target opponent reveals cards from

target opponent reveals cards from the top of their library until they reveal a land card

Whenever you draw your fifth card each turn

Pay 1 life: Exile the top card of your library

You may cast Dragon spells without paying their mana costs

you may pay {5}{R}{R}

Ravenous Tyrannosaurus (Source Material - Borderless) IMA target opponent reveals cards fromDevour 3 (As this creature enters, you may sacrifice any number of creatures. It enters with three times that many +1 +1 counters on it.) Whenever this creature attacks, it deals damage equal to its power to up to one other target creature. Excess damage is dealt to that creature's controller instead.