Mercadian Masques

Whenever an opponent casts a blue or black spell, you may create a 1/1 green Snake creature token.

At the beginning of each player's upkeep, that player may put a +1/+1 counter on target creature of their choice.

Whenever Saber Ants is dealt damage, you may create that many 1/1 green Insect creature tokens.

Any player may cast creature and enchantment spells as though they had flash.

At the beginning of your upkeep, each player reveals the top card of their library. If all cards revealed this way are creature cards, put those ca...

{1}{G}: Return target basic land card from your graveyard to your hand.

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

{2}: Squallmonger deals 1 damage to each creature with flying and each player. Any player may activate this ability.

{1}{G}, {T}, Discard a card: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

You may exile a green card from your hand rather than pay this spell's mana cost. Flash Forestwalk (This creature can't be blocked as long as defen...

All creatures have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

All lands become 2/2 creatures until end of turn. They're still lands.

Trample When Megatherium enters the battlefield, sacrifice it unless you pay {1} for each card in your hand.

Whenever a player plays a land, return Pangosaur to its owner's hand.

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

Whenever a creature you control dies, you may pay {1}. If you do, reveal cards from the top of your library until you reveal a creature card. Put t...

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

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