Mesa Pegasus

Flying; 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.)

Camouflage

Cast this spell only during your declare attackers step.
This turn, instead of declaring blockers, each defending player chooses any number of creatures they control and divides them into a number of piles equal to the number of attacking creatures for whom that player is the defending player. Creatures those players control that can block additional creatures may likewise be put into additional piles. Assign each pile to a different one of those attacking creatures at random. Each creature in a pile that can block the creature that pile is assigned to does so. (Piles can be empty.)

Blue Ward

Enchant creature
Enchanted creature has protection from blue. This effect doesn’t remove Blue Ward.

Conversion

At the beginning of your upkeep, sacrifice Conversion unless you pay .
All Mountains are Plains.

Resurrection

Return target creature card from your graveyard to the battlefield.

Clone

You may have Clone enter as a copy of any creature on the battlefield.

False Orders

Cast this spell only during the declare blockers step.
Remove target creature defending player controls from combat. Creatures it was blocking that had become blocked by only that creature this combat become unblocked. You may have it block an attacking creature of your choice.

Howling Mine

At the beginning of each player’s draw step, if Howling Mine is untapped, that player draws an additional card.

Burrowing

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

Time Walk

Take an extra turn after this one.

Guardian Angel

Prevent the next X damage that would be dealt to any target this turn. Until end of turn, you may pay any time you could cast an instant. If you do, prevent the next 1 damage that would be dealt to that permanent or player this turn.

Regeneration

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Animate Wall

Enchant Wall
Enchanted Wall can attack as though it didn’t have defender.

Chaoslace

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

White Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can’t be blocked, targeted, dealt damage, or enchanted by anything black.)

Library of Leng

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.