Mercadian Masques

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

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

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

When Silverglade Elemental enters the battlefield, you may search your library for a Forest card, put that card onto the battlefield, then shuffle.

Whenever Sacred Prey becomes blocked, you gain 1 life.

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

If an opponent controls an Island and you control a Forest, you may cast this spell without paying its mana cost.

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

Trample At the beginning of your upkeep, you may put a +1/+1 counter on Rushwood Elemental.

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

Return target green card from your graveyard to your hand.

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

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

Trample

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

Enchant creature All creatures able to block enchanted creature do so.

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

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

If you have no land cards in hand, you may reveal your hand rather than pay this spell's mana cost. Search your library for a Forest card, reveal ...

If you control a Forest, rather than pay this spell's mana cost, you may have an opponent gain 3 life. Target creature gets +4/+4 until end of turn.

When Hunted Wumpus enters the battlefield, each other player may put a creature card from their hand onto the battlefield.

When Howling Wolf enters the battlefield, you may search your library for up to three cards named Howling Wolf, reveal them, put them into your han...

{G}: Regenerate Horned Troll.

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