As an additional cost to cast this spell, sacrifice a green creature.Search your library for a green creature card, put it onto the battlefield, then shuffle.
At the beginning of your upkeep, you may put a soot counter on Smokestack.At the beginning of each player's upkeep, that player sacrifices a permanent of their choice for each soot counter on Smokestack.
Walking Ballista enters with X +1/+1 counters on it.: Put a +1/+1 counter on Walking Ballista.Remove a +1/+1 counter from Walking Ballista: It deals 1 damage to any target.
Enchant playerWhenever enchanted player casts a noncreature spell, roll a d6. Maddening Hex deals damage to that player equal to the result. Then attach Maddening Hex to another one of your opponents chosen at random.
Choose a card name. Exile the top six cards of your library, then reveal cards from the top of your library until you reveal a card with the chosen name. Put that card into your hand and exile all other cards revealed this way.
At the beginning of each player's upkeep, that player chooses target player who controls more creatures than they do and is their opponent. The first player may reveal cards from the top of their library until they reveal a creature card. If the first player does, that player puts that card onto the battlefield and all other cards revealed this way into...
Each player shuffles their hand and graveyard into their library, then draws seven cards.Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Imprint — When Isochron Scepter enters, you may exile an instant card with mana value 2 or less from your hand., : You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.
Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land of their choice. If the player does, they may copy this spell and may choose a new target for that copy.
Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.)At the beginning of the end step, sacrifice Underworld Breach.
