Heidar, Rimewind Master
{4}{U}
Legendary Creature -- Human Wizard
3/3
{2}, {T}: Return target permanent to its owner's hand. Activate only if you control four or more snow permanents.
Rimewind Cryomancer
{3}{U}
Creature -- Human Wizard
2/3
{1}, {T}: Counter target activated ability. Activate only if you control four or more snow permanents. (Mana abilities can't be targeted.)
Rimewind Taskmage
{1}{U}
Creature -- Human Wizard
1/2
{1}, {T}: You may tap or untap target permanent. Activate only if you control four or more snow permanents.