Tap X target creatures. Winter Blast deals 2 damage to each of those creatures with flying.

Enchant creature
Enchanted creature has mountainwalk. (It can't be blocked as long as defending player controls a Mountain.)

Target spell or permanent becomes black. (Mana symbols on that permanent remain unchanged.)

Enchant creature
Enchanted creature can attack as though it had haste.
: Untap enchanted creature. Activate only during your turn and only once each turn.

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

Enchant creature
Enchanted creature has protection from black. This effect doesn't remove this Aura.

This artifact doesn't untap during your untap step.
At the beginning of your upkeep, you may pay . If you do, untap this artifact.
At the beginning of your draw step, if this artifact is tapped, it deals 1 damage to you.
: Add .

Enchant creature
Enchanted creature can't attack unless its controller pays .

Add .

Target spell or permanent becomes blue. (Mana symbols on that permanent remain unchanged.)

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Destroy target artifact with mana value X. It can't be regenerated. Detonate deals X damage to that artifact's controller.

Target creature gets +3/+3 until end of turn.

Whenever a creature dies, you may pay . If you do, you gain 1 life.

Lightning Bolt deals 3 damage to any target.

This creature doesn't untap during your untap step.
At the beginning of your upkeep, you may pay . If you do, untap this creature.

: Add .

Flying
: Add one mana of any color.

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

You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players' coins come up heads on the same flip.

Target spell or permanent becomes white. (Mana symbols on that permanent remain unchanged.)

Target player discards X cards at random.

Creatures with power 3 or greater don't untap during their controllers' untap steps.

Prevent all combat damage that would be dealt this turn.

Enchant creature
Enchanted creature has vigilance.

This spell costs more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Disintegrate deals X damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

As this artifact enters, choose an opponent.
At the beginning of the chosen player's upkeep, this artifact deals X damage to that player, where X is 3 minus the number of cards in their hand.

Look at the top five cards of target player's library. You may then have that player shuffle that library.

Defender (This creature can't attack.)

Target spell or permanent becomes red. (Its mana symbols remain unchanged.)

Tap target untapped creature you control. If you do, add an amount of equal to that creature's mana value.

Whenever a player casts a black spell, you may pay . If you do, you gain 1 life.

Sandstorm deals 1 damage to each attacking creature.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Whenever enchanted creature deals damage, you gain that much life.

You have no maximum hand size.
If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.