msem-instigator

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever a creature you don't control blocks, it gets -1/-0 until end of turn.

Destroy four target creatures.

Enchant creature
Enchanted creature gets -3/-0.
Spells that target enchanted creature cost {1} more to cast.

Enchant creature
When Divine Ascension enters, you gain 2 life.
Enchanted creature gets +2/+1 and has flying.

You have hexproof.
Whenever you cast a noncreature spell, you may tap or untap target permanent.

Enchant creature
Enchanted creature has flying and “{R}: This creature gets +1/+0 until end of turn.”

Destroy target creature that dealt damage to a creature you control this turn.

Target player discards a card. If that player discards a land card this way, they lose 3 life.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast a noncreature spell, you may have Elegant Fireslinger deal 1 damage to target creature.

Ember Salvo deals 1 damage to target creature and 1 damage to its controller.

Enchant creature
Enchanted creature has reach. (It can block creatures with flying)
{G}, Sacrifice Ensnaring Vines: Tap target creature with flying.

When Envoy of Growth enters, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Exile target creature and all other creatures with the same name as that creature. Search its controller's graveyard, hand and library for any number of cards with the same name as that creature and exile them. Then that player shuffles. Exile Erase from Existence.

Eternal Oak gets +1/+1 for each creature you control.
Whenever a nontoken creature you control dies, create a 1/1 green Saproling creature token.

Counter target creature spell.
Draw a card.

At the beginning of your upkeep, scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

Each player chooses a creature with the least power among creatures they control. Then destroy the rest.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Attacking creatures you control get +1/+0.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Draw three cards, then put a card from your hand on the bottom of your library.

As an additional cost to cast this spell, discard a card.
Search your library for a card with mana value X or less, where X is 1 plus the discarded card's mana value, reveal it, put it into your hand, then shuffle.

Destroy target artifact or enchantment. Create a 1/1 green Saproling creature token.