msem-instigator

Scry 2 if a player lost life this turn. You draw two cards and you lose 2 life.

Destroy target artifact or enchantment. You gain 4 life.

Soulsmoke Adept gets +1/+0 and has lifelink as long as it's embattled. (A creature is embattled if it has a counter on it or has a permanent you control attached to it.)

Spark New Life deals X damage to any target. You may put up to X land cards from your hand and/or graveyard onto the battlefield.

Exile up to three target instant and/or sorcery cards from your graveyard. Until end of turn, you may cast cards exiled this way.
Exile Speedreading.

Trample
When Spikehorn Behemoth leaves the battlefield or phases out, draw a card.

Lifelink
Revive {W} ({W}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

Whenever a land you control enters, you may pay {1}. If you do, create a 1/1 green Saproling creature token.

Whenever Sporecaster or another Insect you control enters, each opponent loses 1 life.

When Sporecrowned Scavenger enters, target opponent loses life equal to the number of Insects you control and you gain that much life.

Haste
Whenever Spotted Slugger deals combat damage to a player, you may have it deal damage equal to its power to target creature.

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 on a creature you control, target creature gains trample until end of turn.

Whenever a creature you control enters, if you didn't cast it from your hand, put a +1/+1 counter on it.
{3}{W}: Exile target creature you control, then return it to the battlefield under its owner's control.

Whenever Starlight Emissary harnesses a spell, draw a card.

Flying
Vanguard — Whenever a creature you control attacks alone, you may put a +1/+1 counter on it.

Enchant creature
When Sticky Fingers enters, draw a card.
Enchanted creature gets +2/+0 and can't be blocked.

({T}: Add {W} or {U}.)
Still Waters enters tapped unless you control two or more basic lands.

Flying
Whenever Stingsower attacks, you may pay {3}{B}{B}. If you do, target creature gets -1/-1 for each Insect you control until end of turn.

Draw a card. Then you may cast an instant spell with mana value 2 or less from your hand without paying its mana cost.

Target creature gets -2/-2 until end of turn. If you control two or more Deserts, destroy that creature instead.

Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

({T}: Add {B}.)
As Stygian Dunes enters, you may pay 1 life. If you don't, Stygian Dunes enters tapped.

When Suburban Runebrawler enters, exile target instant or sorcery card with mana value 2 or less from your graveyard.
Landfall — Once each turn, when a land you control enters, you may cast a copy of the exiled card without paying its mana cost.

Destroy target tapped creature.

({T}: Add {G} or {W}.)
Sungrace Meadows enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)