Equipped creature gets +1/+1 for each color among permanents you control.As long as Conqueror's Flail is attached to a creature, your opponents can't cast spells during your turn.Equip
Join forces — Starting with you, each player may pay any amount of mana. Each player searches their library for up to X basic land cards, where X is the total amount of mana paid this way, puts them onto the battlefield tapped, then shuffles.
Choose target player and another target player. The first player controls the second player during the second player's next turn, and the second player controls the first player during the first player's next turn.
Creatures can't attack you or planeswalkers you control unless their controller pays for each of those creatures, where X is the number of enchantments you control.
FlyingWhenever an opponent casts a spell, put a +1/+1 counter on Ishai, Ojutai Dragonspeaker.Partner (You can have two commanders if both have partner.)
Each player discards their hand, then draws seven cards.Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)
DeathtouchWhenever Silas Renn, Seeker Adept deals combat damage to a player, choose target artifact card in your graveyard. You may cast that card this turn.Partner (You can have two commanders if both have partner.)
Whenever you cast your first spell each turn, choose an opponent at random. Vial Smasher the Fierce deals damage equal to that spell's mana value to that player or a planeswalker that player controls.Partner (You can have two commanders if both have partner.)
Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)Artifacts and creatures your opponents control enter tapped.
Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.You draw a card at the beginning of the next turn's upkeep.
Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)
Tempting offer — Search your library for a land card and put it onto the battlefield. Each opponent may search their library for a land card and put it onto the battlefield. For each opponent who searches a library this way, search your library for a land card and put it onto the battlefield. Then each player who searched a library this way shuffles.
Devour 2 (As this enters, you may sacrifice any number of creatures. This creature enters with twice that many +1/+1 counters on it.)At the beginning of your upkeep, create a 1/1 green Saproling creature token for each +1/+1 counter on Mycoloth.
Whenever a creature you control attacks, defending player loses 1 life and you gain 1 life.: Creatures your opponents control block this turn if able, and you choose how those creatures block.
First strikeAt the beginning of each opponent's end step, that player creates a 1/1 red Goblin creature token with "Creatures you control attack each combat if able."
Creatures with power less than Champion of Lambholt's power can't block creatures you control.Whenever another creature you control enters, put a +1/+1 counter on Champion of Lambholt.
MenaceWhenever a creature you control deals combat damage to a player, you gain life equal to that creature's toughness.Partner (You can have two commanders if both have partner.)