Ice Age

Flying Whenever this creature deals damage to a player, that player discards a card.

1: This creature gets +0/+1 until end of turn.

T: Add U or CU. Spend this mana only to pay cumulative upkeep costs.

T: Add C. T: Add W or U. This land deals 1 damage to you.

1, T: Target 1/1 creature gets +1/+2 until end of turn.

Enchant non-Wall creature Enchanted creature has first strike and trample. At the beginning of the end step of enchanted creature's controller, destroy that creature if it didn't attack this turn.

As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card, reveal it, put it into your hand, then shuffle.

Remove this card from your deck before playing if you're not playing for ante. T, Sacrifice this artifact: Target opponent may ante the top card of their library. If they don't, you flip a coin. If you win the flip, that player loses the game. If you lose the flip, you lose the game. Activate only during your upkeep.

Destroy all white permanents.

This creature can't be blocked by creatures with power 2 or greater as long as defending player controls a snow land.

2, T: Target creature gains vigilance until end of turn. Activate only during combat and only if defending player controls a snow land.

2, T: Target snow land is no longer snow. 2, T: Target nonsnow basic land becomes snow.

3, T: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That player may pay X, where X is that creature's mana value. If they don't pay, the creature attacks this turn if able, and at the beginning of the next end step, destroy it if it didn't attack this turn. Activate only before attackers are declared.

W, Sacrifice an enchantment: Destroy target enchantment. 3UU: Counter target enchantment spell.

Enchant creature Enchanted creature gets +1/+1. W: Enchanted creature gets +0/+1 until end of turn.

Cumulative upkeep U (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.) 1: Target creature gains flying until end of turn.

Haste B: Return this card from your graveyard to the battlefield. Activate only during your upkeep and only if three or more creature cards are above this card.

Trample Whenever this creature attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Destroy X target snow lands.

T: Target snow land becomes a 2/2 creature until end of turn. It's still a land.

This creature enters with X +1/+0 counters on it. Remove a +1/+0 counter from this creature: Prevent the next 1 damage that would be dealt to it this turn. RRR: Put a +1/+0 counter on this creature. Activate only during your upkeep.

T: Change the text of target white enchantment you control that doesn't have cumulative upkeep by replacing all instances of one color word with another. (For example, you may change "black creatures can't attack" to "blue creatures can't attack.") That enchantment gains "Cumulative upkeep 1." (At the beginning of its controller's upkeep, that player puts an age counter on it, then sacrifices it unless they pay its upkeep cost for each age counter on it.)