Mercadian Masques

Whenever you're dealt damage, you may put that many +1/+1 counters on Blood Hound. At the beginning of your end step, remove all +1/+1 counters fr...

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

Flying Battle Squadron's power and toughness are each equal to the number of creatures you control.

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

{1}{R}, Sacrifice a Goblin: Arms Dealer deals 4 damage to target creature.

Flying Menace (This creature can't be blocked except by two or more creatures.) Two-Headed Dragon can block an additional creature each combat. {1}...

Exile all nontoken permanents. Starting with you, each player chooses one of the exiled cards and puts it onto the battlefield tapped under their c...

At the beginning of your upkeep, you may return Squee, Goblin Nabob from your graveyard to your hand.

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

Flip a coin. If you win the flip, destroy all creatures with power 2 or less. If you lose the flip, destroy all creatures with power 3 or greater.

You may sacrifice two Mountains rather than pay this spell's mana cost. Destroy all artifacts.

Each attacking creature gets +1/+0 until end of turn for each nonbasic land defending player controls.

Haste Whenever Lava Runner becomes the target of a spell or ability, that spell or ability's controller sacrifices a land.

Tap an untapped creature you control: Kyren Negotiations deals 1 damage to target player or planeswalker.

{X}{R}, {T}, Discard a card: Destroy all artifacts with converted mana cost X or less.

Flying, first strike {1}: Flailing Manticore gets +1/+1 until end of turn. Any player may activate this ability. {1}: Flailing Manticore gets -1/-1...

Whenever a source deals damage to Crag Saurian, that source's controller gains control of Crag Saurian.

Choose a card type. Target opponent reveals their hand. Blood Oath deals 3 damage to that player for each card of the chosen type revealed this way...