First strike (This creature deals combat damage before creatures without first strike.)

Enchant creature
Enchanted creature gets +0/+2.
Sacrifice this Aura: Regenerate enchanted creature.

Enchant creature
Enchanted creature has menace. (It can't be blocked except by two or more creatures.)

Earthquake deals X damage to each creature without flying and each player.

, Exile this artifact: Shuffle your graveyard into your library.

Enchant creature
Enchanted creature gets +1/+1.
Sacrifice this Aura: Regenerate enchanted creature.

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 .

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

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

Enchant creature
: Put a -1/-1 counter on enchanted creature.

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

Enchant creature
Enchanted creature gets +3/+3.
At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature.

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

When this creature dies, you gain 1 life.

Counter target spell with mana value X. (For example, if that spell's mana cost is , X is 5.)

Enchant creature
Enchanted creature gets -0/-1.
Enchanted creature can't block creatures with power equal to or greater than the enchanted creature's toughness.

, , Sacrifice this creature: Destroy target artifact.

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

, , Sacrifice this artifact: Add one mana of any color. Draw a card at the beginning of the next turn's upkeep.

Enchant creature
Enchanted creature has vigilance.

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional .

: Tap target creature without flying.

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.

Enchant land
Enchanted land is a Swamp.

Protection from black

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

: Look at target player's hand.

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.)

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.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

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.

Each player shuffles the cards from their hand into their library, then draws that many cards.

Each player may discard up to three cards. Mind Bomb deals damage to each player equal to 3 minus the number of cards they discarded this way.

Return target creature to its owner's hand.

Change the text of target spell or permanent by replacing all instances of one color word with another. (For example, you may change "target black spell" to "target blue spell." This effect lasts indefinitely.)