Whenever Tyrannosaurus Rex attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.
NM-Mint Foil - $34.60
Lightly Played Foil - $31.10
Moderately Played Foil - $27.70
Heavily Played Foil - $24.20
Damaged Foil - $17.30
NM-Mint Foil Non English - $34.60
Lightly Played Foil Non English - $31.10
Moderately Played Foil Non English - $27.70
Heavily Played Foil Non English - $24.20
Damaged Foil Non English - $17.30