Target creature gets +3/+3 until end of turn.
Recover (When a creature is put into your graveyard from the battlefield, you may pay . If you do, return this card from your graveyard to your hand. Otherwise, exile this card.)

Enchant creature
Enchanted creature gets +2/+1 and has ": This creature can't be blocked this turn except by snow creatures." ( can be paid with one mana from a snow permanent.)

: Regenerate Rimebound Dead. ( can be paid with one mana from a snow permanent.)

Flying
Rimefeather Owl's power and toughness are each equal to the number of snow permanents on the battlefield.
: Put an ice counter on target permanent.
Permanents with ice counters on them are snow.

Trample
Whenever Rimehorn Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.
: Target creature blocks target creature this turn if able. ( can be paid with one mana from a snow permanent.)

Flying
: Tap target creature and put an ice counter on it. ( can be paid with one mana from a snow permanent.)
Creatures with ice counters on them don't untap during their controllers' untap steps.

, : Counter target activated ability. Activate this ability only if you control four or more snow permanents. (Mana abilities can't be targeted.)

, : You may tap or untap target permanent. Activate this ability only if you control four or more snow permanents.

Add , then add for each card named Rite of Flame in each graveyard.

Protection from snow
Cumulative upkeep (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.)

Ronom Serpent can't attack unless defending player controls a snow land.
When you control no snow lands, sacrifice Ronom Serpent.

Sacrifice Ronom Unicorn: Destroy target enchantment.

Counter target spell unless its controller pays plus an additional for each card named Rune Snag in each graveyard.

: Add .
, : Look at the top card of your library. If that card is snow, you may reveal it and put it into your hand. ( can be paid with one mana from a snow permanent.)

Whenever another nontoken creature you control dies, create a 3/1 black and red Graveborn creature token with haste.

Enchant creature
When Shape of the Wiitigo enters the battlefield, put six +1/+1 counters on enchanted creature.
At the beginning of your upkeep, put a +1/+1 counter on enchanted creature if it attacked or blocked since your last upkeep. Otherwise, remove a +1/+1 counter from it.

Trample
Cumulative upkeep—Put a +1/+1 counter on a creature an opponent controls. (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.)

Discard a land card: Simian Brawler gets +1/+1 until end of turn.

Skred deals damage to target creature equal to the number of snow permanents you control.

(: Add .)