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 - $3.800
Lightly Played - $3.000
Moderately Played - $2.600
Heavily Played - $2.300
Damaged - $1.900
Near Mint Spanish - $3.800
Lightly Played Spanish - $3.000
Moderately Played Spanish - $2.600
Heavily Played Spanish - $2.300
Damaged Spanish - $1.900