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 - $1.500
Lightly Played - $1.200
Moderately Played - $1.000
Heavily Played - $900
Damaged - $700
Near Mint Spanish - $1.500
Lightly Played Spanish - $1.200
Moderately Played Spanish - $1.000
Heavily Played Spanish - $900
Damaged Spanish - $700