Neither player can Summon more than two times per turn. (Negated Summons count toward the limit. Negated cards/effects that would Summon do not count.)
Near Mint Unlimited - $4.90
Lightly Played Unlimited - $4.70
Moderately Played Unlimited - $4.00
Heavily Played Unlimited - $3.50
Damaged Unlimited - $2.50