msem-instigator

Creatures your opponents control can't block alone. (They can block different creatures.)

Return target nonland card from your graveyard to your hand.

Mill three cards, then you may return a land card or a Shaman card from your graveyard to your hand.

Target creature gets -1/-1 until end of turn. (Cast a copy of this spell once while this creature is on the battlefield.)

Destroy target artifact or enchantment. Spit on the Grave deals 2 damage to that permanent's controller.

Each creature you control with power 4 or greater can't be blocked by creature tokens.

Sprout Hermit can't attack unless you control a creature with power 4 or greater.
Attain {3}{G} ({3}{G}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)

Put a +1/+1 counter on target creature. (Then exile this card. You may cast the creature later from exile.)

If a card would be put into an opponent's graveyard from anywhere, instead that card is revealed and put on the bottom of that player's library.
Unveil {3}{G}{W} ({3}{G}{W}: Transform this. Unveil only as a sorcery.)

When you unveil Starlight Guardian, you may put target card from your graveyard on top of your library.
If a card would be put into an opponent's graveyard from anywhere, exile that card instead.

(Transform this if it's not attached to a creature. Pay {2}{U} as a sorcery to unattach it.)
Enchant creature you control
Steed of the Loch's rider gets +2/+1.
Whenever Steed of the Loch's rider attacks, you may tap target creature an opponent controls.

Create a 2/2 red and white Cat Knight creature token. Creatures you control get +1/+1 and gain haste until end of turn.

Stray Sighthound can't be blocked by creatures with power 2 or less.
Attain {3}{G} ({3}{G}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)

Whenever you cast a spell, if it isn't your main phase, scry 1.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

When Student of the Scroll enters the battlefield, scry 2.

At the beginning of combat on your turn, if you control six or more lands, put a +1/+1 counter on target creature you control.

[+1]: Each opponent loses 1 life for each card you've drawn this turn. Then you draw a card.
[–2]: Sun King's Shadow deals 2 damage to target creature or planeswalker and you gain 2 life. If that permanent was already dealt damage this turn, destroy it.

Haste
At the beginning of your end step, return Sunwatcher Aspirant to its owner's hand.

Target creature gains double strike and trample until end of turn. (Then exile this card. You may cast the creature later from exile.)

Whenever Swiftspear Ambusher and exactly one other creature attack, put a +1/+1 counter on target attacking creature.

Reach
Whenever another creature enters, untap Sylvan Subversive.

Flying
Whenever a player taps a land for mana, return that land to its owner's hand unless they pay 1 life.
At the beginning of each end step, if an opponent controls no tapped lands, transform Tamaak, Drought of Life.

Double strike
At the beginning of each end step, if a creature you control died this turn, Tempered Survivor deals 2 damage to each opponent.

When you unveil Tempest Termagant, you may put target land on top of its owner's library.