Enchant creature
Enchanted creature gets +1/+0 and has flying and first strike.

Cast this spell only during combat before blockers are declared.
X can't be greater than the number of snow lands you control.
Choose X target attacking creatures. For each of those creatures, its controller may pay or . If that player doesn't, destroy that creature at end of combat. If that player pays only , prevent all combat damage that would be dealt to and dealt by that creature this combat.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Withering Wisps.
: Withering Wisps deals 1 damage to each creature and each player. Activate this ability no more times each turn than the number of snow Swamps you control.

Woolly Mammoths has trample as long as you control a snow land.

Reach (This creature can block creatures with flying.)
Whenever Woolly Spider blocks a creature with flying, Woolly Spider gets +0/+2 until end of turn.

Destroy target Wall. It can't be regenerated. Word of Blasting deals damage equal to that Wall's converted mana cost to the Wall's controller.

Return target creature and all white Auras you own attached to it to their owners' hands.

When Wrath of Marit Lage enters the battlefield, tap all red creatures.
Red creatures don't untap during their controllers' untap steps.

Flying
: Regenerate Yavimaya Gnats.

Players play with their hands revealed.
If a player would draw a card, they reveal it instead. Then any other player may pay 2 life. If a player does, put that card into its owner's graveyard. Otherwise, that player draws a card.

, : Target player discards a card. Activate this ability only during your turn.

Sacrifice a land: You gain 2 life.

: Zuran Spellcaster deals 1 damage to any target.