msem-instigator

Menace
Whenever you sacrifice an artifact or creature, Lava Scutterer deals 2 damage to any target.

({T}: Add {B} or {R}.)
Lavatorn Fields enters tapped unless you control a basic Swamp or a basic Mountain.

Counter target spell that targets you or a permanent you control.
Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Repeat the following process X times. Exile a creature you control, then return it to the battlefield under your control.
Exile Lazaire's Conjuring.

Whenever you cast an instant, sorcery, or Wizard spell, Leafdown Sizzlemage gets +1/+0 until end of turn.

Whenever a non-Spirit creature you control dies, you may create a token that's a copy of that creature except the token is a Spirit in addition to its other types and has haste.

Choose one —
• Destroy target artifact.
• Add {R}{R}{R}.

As Legacy Foundations enters, you may reveal a Plains or Swamp card from your hand. If you don't, Legacy Foundations enters tapped.
{T}: Add {W} or {B}.

Enchant creature
Embody (Enchanted creature is a copy of this card except for its types.)
As long as Legend of the Brave is tapped, you may have creatures you control assign their combat damage as though they weren't blocked.

Enchant creature
Embody (Enchanted creature is a copy of this card except for its types.)
As long as Legend of the Devout is tapped, creatures you control have lifelink.

Return target card from your graveyard to your hand.

Search your library and/or graveyard for an enchantment card with mana value X, put it onto the battlefield, then shuffle. Shuffle Legendweaving into its owner's library. X can't be 0.

When Leija's Greenblade enters, you may pay {G}. If you do, destroy target artifact or enchantment.

Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
Whenever a +1/+1 counter is put onto Lerithan Rebel, it deals 1 damage to any target.

{T}: Add {C}.
{2}, {T}: For each color among cards in your graveyard, add one mana of that color.

Trample
When Leyran Alpha enters, create two 2/2 green Wolf creature tokens with haste.
Whenever a creature you control deals damage to an opponent, put a +1/+1 counter on that creature.

Shimmer (Whenever this creature attacks, create a tapped and attacking token that's a copy of it. Exile the token at the beginning of the end step.)
Lha Elite's power is equal to the number of tokens you control.

[+2]: Scry 2, then you may draw a card. If you don't, Liactru Stormheart deals 2 damage to any target.
[–4]: Create a 4/4 blue and red Elemental creature token. It gains flying, vigilance, and haste until end of turn.
[–10]: For each player, create a token that's a copy of target permanent that player controls. You get an emblem with “Permanents you control have hexproof.”

Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.)
1 | Discard up to two cards, then draw that many cards plus one.
3 | For each color of mana spent to cast this spell, add one mana of that color.

Lifelink
If a creature or planeswalker would die, instead exile it and put a +1/+1 counter on Librarian of Whispers.

Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)

Whenever you gain life for the first time each turn, each opponent loses 2 life.

Target creature gets +X/+X and gains trample until end of turn, where X is the number of lands you control.
Fabled {4}{R}{G} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that creature.)

Lightning Strike deals 3 damage to any target.

Whenever another artifact you control enters, put a +1/+1 counter on Lightsteel Enforcer.