Mercadian Masques

Whenever Erithizon attacks, put a +1/+1 counter on target creature of defending player's choice.

{X}{G}{G}, {T}, Discard a card: X target lands become Forests until end of turn.

You have shroud. (You can't be the target of spells or abilities.)

{G}, {T}, Discard a card: Prevent all combat damage that would be dealt this turn.

Draw a card for each creature you control.

Each player reveals the top five cards of their library, puts all land cards revealed this way onto the battlefield tapped, and exiles the rest.

As an additional cost to cast this spell, choose a creature type. Caller of the Hunt's power and toughness are each equal to the number of creatur...

Search your library for a permanent card with the same name as target nontoken creature, put that card onto the battlefield, then shuffle.

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

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, sacrifice Territorial Dispute unless you sacrifice a land. Players can't play lands.

Each player sacrifices X lands.

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.

Exile all creature cards from all graveyards. You gain 1 life for each card exiled this way.

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.

At the beginning of your upkeep, sacrifice Lithophage unless you sacrifice a Mountain.

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

Artifacts and enchantments you control have shroud. (They can't be the targets of spells or abilities.)

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.

You may exile a red card from your hand rather than pay this spell's mana cost. Cave-In deals 2 damage to each creature and each player.

Until end of turn, all creatures gain "{T}: This creature deals damage equal to its power to target creature."