msem-instigator

Trample
Other Beasts you control have trample.
Whenever Magnoceros attacks, create a 5/5 green Beast creature token that's tapped and attacking.

If a red instant or sorcery spell you control or a red planeswalker you control would deal damage to a permanent or player, it deals that much damage plus 2 instead.

Whenever another creature you control dies, each other player sacrifices a creature.

Whenever an opponent discards a card, you may draw a card.

Lands you control have “{T}: Add one mana of any color.”
{T}: Add one mana of any color.

{X}, {T}: Target player mills X cards.

Whenever you gain life, you may pay {X}, where X is less than or equal to the amount of life you gained. If you do, draw X cards.

Choose two —
• Return up to two target creature cards from your graveyard to your hand.
• Return up to two target enchantment cards from your graveyard to your hand.
• Return up to two target artifact cards from your graveyard to your hand.
• Target player may put a permanent card from their hand onto the battlefield.

Indestructible
Whenever this creature enters or transforms into Mahara, recruit. (Create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)
At the beginning of your end step, if you control four or more creatures, transform Mahara.

Armies you control attack each combat if able.
At the beginning of combat on your turn, recruit. (Create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)

({T}: Add {W}, {B}, or {G}.)
Majestic Dominion enters tapped.

Flying
Whenever a permanent you control is returned to your hand, scry 1.

Majestic Tomb enters tapped.
{T}: Add {B} or {R}.
When Majestic Tomb enters, you may put a loyalty counter on a planeswalker you control.

Creatures you control get +2/+2.
Wanderlust — As long as you control four or more differently named lands, creatures you control have trample and can't be blocked by more than one creature.

Double strike, vigilance
Whenever Major Benjamin Stout enters, attacks, or dies, recruit. (Create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)

(Choose only one work as a sorcery to add its abilities.)
When Make Art Not Friends enters, create a Treasure token.
{1}{R}: Never Again
Whenever you sacrifice an artifact, that artifact deals 1 damage to each opponent.
{4}{R}{R}: Over It All
At the beginning of combat on your turn, you may have an artifact you control become a 6/6 Golem artifact creature until end of turn.

Counter target spell. If a permanent spell is countered this way, you may aetherize it. (To aetherize, create a token that's a copy of it, then exile that token.)

Haste
Sacrifice a creature or discard a card or reappropriate or pay 2 life: Makias, Marked Marauder gets +1/+0 until end of turn. (To reappropriate, exile exactly two cards from your hand and/or graveyard.)

Search your library for an Equipment card, reveal it, put it into your hand, then shuffle. (Then exile this card. You may cast the creature later from exile.)

[+1]: Scry 2. Whenever one or more creatures you control deal combat damage to a player this turn, draw a card.
[–2]: Create a token that's a copy of target creature you control, except the token is 4/4 and has vigilance.
[–7]: You get an emblem with “At the beginning of your draw step, draw two additional cards” and “Creatures you control get +1/+1 for each card you've drawn this turn.”

When Makshi, Patron of Blades enters, search your library for an Equipment card, reveal it, put it into your hand, then shuffle. Add {W}{U}{B}{R}{G}. Spend this mana only to cast Equipment spells and activate abilities of Equipment.

{T}, Discard a card: Draw a card.
{1}, {T}, Discard a card: Scry 2, then draw a card.
{4}, {T}, Discard a card: Search your library for a card, put it into your hand, then shuffle.

Return target creature card with mana value 5 or less from your graveyard to the battlefield.
Metamorph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up and cast it at any time for its metamorph cost.)

[+2]: Up to one target creature gains deathtouch until your next upkeep.
[–3]: Target player sacrifices a creature and discards a card.
[–8]: Exile all creature cards from all graveyards, then create an X/X black Horror creature token with indestructible, where X is the total power of creatures exiled this way.

Haste
Whenever Malformed Mongrel deals combat damage to a player, discard a card.