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 - $29.40
Lightly Played Foil - $27.90
Moderately Played Foil - $26.50
Heavily Played Foil - $23.50
Damaged Foil - $19.10
NM-Mint Foil Non English - $29.40
Lightly Played Foil Non English - $27.90
Moderately Played Foil Non English - $26.50
Heavily Played Foil Non English - $23.50
Damaged Foil Non English - $19.10