msem-instigator

This spell costs {2} less to cast if an opponent controls a creature with a bounty counter on it.
Postmark Bullet deals 3 damage to any target.

Spells cost {3} more to cast this turn.
Activated abilities that aren't mana abilities cost {3} more to activate this turn.

Whenever a creature you control deals combat damage to a player this turn, add that much {R}. Until end of turn, you don't lose this mana as steps and phases end.

{T}: Add one mana of any color. Spend this mana only to cast a multicolored spell.

Flash
Enchant creature you control
Enchanted creature gets +3/+3 and has lifelink and indestructible.

Whenever Practical Battlemage attacks, catalyze. (The next spell you cast this turn costs {1} less to cast.)

({T}: Add {R} or {G}.)
Practice Range enters tapped unless you control two or more basic lands.

First strike
Whenever a nontoken creature you control leaves the battlefield, you may pay {W}. If you do, create a 1/1 colorless Spirit creature token.

Target creature you control deals damage equal to its power to another target creature. You gain 3 life.

Nontoken creatures get -2/-2 until end of turn.
Fuse (You may cast one or both halves of this card from your hand.)

Scry 3.
Catalyze. (The next spell you cast this turn costs {1} less to cast.)

Target creature you control gains double strike until end of turn. That creature also gains trample until end of turn if you control a creature with power 4 or greater.

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

Counter target spell unless its controller pays {1} for each card in their graveyard.

Create three 2/2 white Cat creature tokens.
Fuse (You may cast one or both halves of this card from your hand.)

Flash
When Pride of Thorns enters, it gets +3/+3 until end of turn.

Each player can't untap more than one nonbasic land during their untap step.

Enchant land
Enchanted land has “{T}: Add {G}{G}.”

Primal {1}{G} (During your turn, you may cast this spell for {1}{G} instead of playing a land.)
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

When Primordial Gorran enters, if {B} was spent to cast it, put a +1/+1 counter on it for each creature card in your graveyard.

{T}, Tap an untapped creature you control: Add one mana of any color.

Lifelink
Heretic (Whenever you cast a spell that doesn't share a color with this creature, it gets +1/+1 until end of turn.)

Flying
{3}: Prismscale Dragon gets +1/+1 until end of turn for each color of mana spent to activate this ability.

Whenever a Monkey creature you control becomes the target of a spell or ability, you may reveal the top card of your library. If you do, counter that spell or ability if it has the same mana value as the revealed card. (Abilities have a mana value of 0.)

As Pristine Chapel enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {W}, {B}, or {G}.