msem-instigator

When Marauder's Broadsword enters, you may pay {1}. If you do, create a 1/1 white Soldier creature token and attach Marauder's Broadsword to it.
Equipped creature gets +2/+0.
Equip {2}

Target creature you control deals damage equal to its power to another target creature. You gain 3 life.

Whenever you cast a spell that's red, green, white, or blue, each opponent loses 1 life and you gain 1 life.

{T}: Add one mana of any color.
{1}, {T}: You get a glory counter. (You lose glory counters before life. A player with ten or more glory counters wins the game.)

{1}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy.
{3}{U}, {T}: Copy target spell you control. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.)

Menace

Discard a card: Tender Warden gets +2/+2 until end of turn. Activate only during your turn.

{T}: Add {C}.
{1}: Risti Workshop becomes a creature in addition to its other types until end of turn.
When Risti Workshop deals combat damage to an opponent, you may sacrifice it. If you do, search your library for a basic land card, put it onto the battlefield, then shuffle.

Return up to two target creature cards from your graveyard to your hand.

Repeat the following process X times. Reveal the top two cards of your library. Put one of them into your hand and the other into your graveyard.

As long as it's your turn, Otto is an Otter Soldier creature with indestructible and “This creature's power and toughness are each equal to twice the number of creatures you control.”
[+1]: Create a 2/2 green and white Otter Soldier creature token.
[–8]: Draw cards equal to the greatest power among creatures you control, then you gain life equal to the greatest toughness among creatures you control.

Exile the top card of your library. You may play that card until the end of your next turn.

[+1]: Create a 1/1 blue Merfolk creature token with “When this creature dies, draw a card, then discard a card.”
[–1]: Target creature gets -2/-0 until your next upkeep and attacks during its controller's next turn if able.
[–7]: You get an emblem with “Creatures your opponents control get -4/-0 and attack each turn if able.”

Whenever you foretell a card or cast a foretold spell, you draw a card and you lose 2 life.

{T}: Add {C}.
{2}{G}, {T}: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
At the beginning of combat on your turn, if you control ten or more lands, you may pay {3}{G}{G} and exile this land. When you do, untap any number of lands you control. They become 2/2 green Elf creatures with haste in addition to their other types.

Breach (Whenever this deals combat damage to a player, you may have it become an Aura Curse until your next turn. Attach it to that player.)
At the beginning of your end step, you may choose a cursed opponent. If you do, draw a card unless that player pays 2 life for each Curse attached to them.

Haste
Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)
Legendary creatures you control have haste.

At the beginning of combat on each opponent's turn, that player may exile a card from their graveyard and pay {2}. If the player doesn't, creatures they control can't attack you or planeswalkers you control this turn.

Wanderlust — Feral Ornithax gets +2/+2 and has trample as long as you control four or more differently named lands.

Exile target artifact or enchantment.

Destroy target artifact or enchantment with mana value 4 or less.

Permanents you control gain indestructible until your next turn.
Fuse (You may cast one or both halves of this card from your hand.)

{T}, Discard a card: Add {C}.
Whenever you discard one or more cards, you may pay {2}. If you do, draw a card.

Trample
Enchantment spells and Aurashaper spells you cast cost {1} less to cast.
Whenever another enchantment you control enters, draw a card.

Menace