You may look at the top card of your library any time. You may play snow lands and cast snow spells from the top of your library. Whenever another snow permanent enters the battlefield under your control, you may pay {G}, {W}, or {U}. If you do, put a +1/+1 counter on Isu the Abominable.
Near Mint - $3,000
Lightly Played - $2,400
Moderately Played - $2,100
Heavily Played - $1,800
Damaged - $1,500
Near Mint Spanish - $3,000
Lightly Played Spanish - $2,400
Moderately Played Spanish - $2,100
Heavily Played Spanish - $1,800
Damaged Spanish - $1,500