Mercadian Masques

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

Red creature spells and green creature spells cost {1} more to cast.

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

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

Whenever you cast a creature spell, Furious Assault deals 1 damage to target player or planeswalker.

Flash Enchant creature Enchanted creature gets +1/+0 and has first strike.

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

Draw a card for each creature you control.

{2}, {T}: Shuffle target nontoken permanent you control into its owner's library.

Return target green card from your graveyard to your hand.

Whenever a player casts a green or white spell, that player discards a card.

Destroy all enchantments.

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

Mercadian Bazaar enters the battlefield tapped. {T}: Put a storage counter on Mercadian Bazaar. {T}, Remove any number of storage counters from Mer...

{T}: Target creature gets +1/+1 and gains flying, first strike, and trample until end of turn.

({T}: Add {G}.)

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

When Rishadan Cutpurse enters the battlefield, each opponent sacrifices a permanent unless they pay {1}.

{W}, Pay 2 life: The next time a source of your choice would deal damage to you this turn, prevent that damage.

{3}, {T}: Search your library for a Rebel permanent card with mana value 2 or less, put it onto the battlefield, then shuffle.

Flying At the beginning of your upkeep, sacrifice Extravagant Spirit unless you pay {1} for each card in your hand.

Enchant creature Whenever enchanted creature blocks or becomes blocked, you may put a +1/+1 counter on it.

({T}: Add {W}.)

{X}{U}: This turn, creatures can't attack unless their controller pays {X} for each attacking creature they control.