msem-instigator

Punish Aggression deals 4 damage to target attacking or blocking creature.

Target opponent sacrifices a creature. Put a +1/+1 counter on up to one target creature you control.

At the beginning of combat on your turn, if you control a creature with power greater than its base power, Satyr Trailblazer gets +2/+0 until end of turn.

Brazen Sacrilege deals 2 damage to any target. Until end of turn, if a red source you control would deal damage to that player or to that permanent's controller, it deals that much damage plus 1 instead.

Draw three cards, then discard two cards.

Trample
Volcanic Terror gets +1/+1 for each land card in all graveyards and in exile.

Flying, haste
Whenever Shimmering Dragon attacks, for each creature you control, create a tapped and attacking token that's a copy of that creature. Exile the tokens at the beginning of the end step.

[+1]: Until end of turn, Winmeari, Glorian Defector becomes a 4/4 Angel creature with flying and lifelink that's still a planeswalker. Prevent all damage that would be dealt to her this turn.
[0]: Create a 2/2 black Zombie creature token.
[–1]: You get an emblem with “Attacking creatures your opponents control must attack a Winmeari planeswalker if able.”

Invigorate 1, then untap each creature you control with a +1/+1 counter on it. (Choose a creature with the least power among creatures you control and put a +1/+1 counter on it.)

{1}{G}: Rhudai Pathfinder gets +X/+X until end of turn, where X is the number of differently named lands you control. Activate only once each turn.

Target creature gets +1/+0 for each land you control and gains trample until end of turn.
Orchestrate {1}{G} (You may exile this card from your hand anytime you could cast a sorcery for its orchestrate cost. When you next resolve a spell, you may cast this from exile without paying its mana cost.)

You may return a land you control to its owner's hand rather than pay this spell's mana cost.
Galvan Coal Line enters tapped.
{T}: Add {R}.

Alpha (You may have this creature enter with a +1/+1 counter on it. If you do, it becomes alpha and can only attack alone.)
Ruthless Predator can't be blocked by more than one creature.

Enchant creature
Enchanted creature gets +2/+2 and attacks each combat if able.

Harvest (You may tap any number of creatures you control as you cast this spell. If you do, reduce this spell's mana cost by their total power.)
For each nonland permanent target player controls, that player sacrifices it unless they pay X life.

Flash
Enchant creature
Enchanted creature gets +2/+2 and has flying and “At the beginning of your upkeep, you lose 1 life and create a 1/1 black Harpy creature token with flying.”

Whenever this creature enters, attacks, or leaves the battlefield, choose one that hasn't been chosen.
• Return another target nonland permanent to its owner's hand.
• Draw two cards.
• Create three 1/1 blue Bird creature tokens with flying.
• Add {U}{U}{U}{U}. You can't spend this mana to cast creature spells.

Destroy target creature, enchantment, or planeswalker. Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Whenever you draw your second card each turn, other creatures you control get +1/+1 and gain indestructible until end of turn.

First strike
Whenever Flintlock Pioneer deals damage, tap it. It doesn't untap during its controller's next untap step.

The Urchin King's power and toughness are each equal to the number of cards in all graveyards.
Sacrifice a creature: The Urchin King gains lifelink and indestructible until end of turn.

When Tinyvale Trappings enters, you may attach it to target creature you control with mana value 2 or less.
Equipped creature gets +3/+1.
Equip {3}

Embellish {4}{W} (If you cast this spell for {4}{W}, create a 1/1 blue Thopter artifact creature token with flying when it enters.)
When Meticulous Mechanist enters, scry 1.

Whenever High-Priestess Nebti attacks or blocks, create a 2/2 white Cat creature token.
{1}{R}{R}, Tap an untapped Cat creature you control: That creature fights target creature you don't control.

As an additional cost to cast this spell, discard a card.
Draw two cards. Add one mana of any color.