As long as this card remains face-up on the field, the field is treated as Umi. (However, there is no increasing or decreasing of ATK/DEF due to Umi's effect.) If there is an active field card on the field, this effect is not applied.
Near Mint Unlimited - $1.80
Lightly Played Unlimited - $1.70
Moderately Played Unlimited - $1.50
Heavily Played Unlimited - $1.35
Damaged Unlimited - $1.15