Mercadian Masques

{U}: Return Darting Merfolk to its owner's hand.

Defender {T}: Target creature gains haste until end of turn.

Creatures played by your opponents enter the battlefield tapped.

{R}, {T}, Discard a card: Kris Mage deals 1 damage to any target.

Destroy target nonblack creature. It can't be regenerated. You lose life equal to that creature's toughness.

{W}, {T}, Discard a card: The next time a source of your choice would deal damage to target creature this turn, prevent that damage.

Defender (This creature can't attack.) {T}: Add {G}.

Trample, haste

When Ceremonial Guard attacks or blocks, destroy it at end of combat.

{R}, {T}, Discard a card: Destroy target Wall.

Target player discards a card at random.

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

Sacrifice any number of permanents. You gain 2 life for each permanent sacrificed this way.

White creatures and blue creatures can't block.

You may sacrifice three black creatures rather than pay this spell's mana cost. Trample

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

Whenever Snorting Gahr becomes blocked, it gets +2/+2 until end of turn.

Target player gains 5 life.

Flash Enchant creature Enchanted creature gets +1/+1 and has trample.

Exile target creature with power 2 or less. Its controller gains 4 life.

Sacrifice Shock Troops: It deals 2 damage to any target.

Flying

Whenever Sacred Prey becomes blocked, you gain 1 life.

{G}, {T}, Discard a card: Regenerate target creature.