Coldsnap

Flying Prevent all damage that would be dealt to this creature by creatures with first strike.

This creature enters with four healing counters on it. Remove a healing counter from this creature: Prevent the next 1 damage that would be dealt to this creature this turn. 2W: Put a healing counter on this creature.

Exile target creature. You draw cards equal to that creature's power. At the beginning of your next upkeep, return that card to the battlefield under its owner's control. If you do, discard cards equal to that creature's toughness.

Flying Cumulative upkeep—Discard a card. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) When this creature dies, draw a card for each age counter on it.

Trample If another creature would die, exile it instead. Put a card exiled with this creature into its owner's graveyard: This creature gets +2/+2 until end of turn.

Defender, flying Cumulative upkeep—An opponent gains 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Protection from black W: This creature gains flying until end of turn. WW: This creature gets +1/+0 until end of turn.

Trample Wilderness Elemental's power is equal to the number of nonbasic lands your opponents control.

This creature enters with three ice counters on it. As long as this creature has an ice counter on it, prevent all combat damage it would deal and it has defender. Whenever this creature blocks, remove an ice counter from it.

Snow landwalk (This creature can't be blocked as long as defending player controls a snow land.) S: Regenerate this creature. (S can be paid with one mana from a snow source.)

Flying Whenever Zur attacks, you may search your library for an enchantment card with mana value 3 or less, put it onto the battlefield, then shuffle.