Instant ad sorcery spells you cast cost 1 less to cast.
2U, Sacrifice Thunderclap Drake: When you cast your next instant or sorcery spell this turn, copy it for each time you've cast your commander from the command zone this game.
Near Mint - $2.25
Lightly Played - $2.00
Moderately Played - $1.75
Heavily Played - $1.50
Damaged - $1.00
Near Mint Non-English - $2.25
Lightly Played Non-English - $2.00
Moderately Played Non-English - $1.75
Heavily Played Non-English - $1.50
Damaged Non-English - $1.00