Sabrin, the Cold Void Goddess

First strike, protection from blue spells, snowwalk

Arctic Skin-{u}{u}: Until end of turn Sabrin gains Ward {3} and indestructible.

Ice Age of Attenage -{t}{s}{s}{s}{s}: Put an ice counter on
each land. Lands with ice counters are snow lands. Snow
lands you opponents control do not untap during their controllers untap step.

Polar Midnight- {x}{s}{s}: Put an ice counter on up to X target creatures. Creatures with ice counters cannot attack or block.