msem-instigator

Planar Alignment enters the battlefield tapped.
{T}: Add {C}.
{6}, {T}, Exile Planar Alignment: Search your library for a card, put it into your hand, then shuffle.

Mill X cards. Then you may return a creature card with mana value X or less from your graveyard to the battlefield.

Whenever Poignant Hydra deals combat damage to a player, put a +1/+1 counter on it.
Creature spells you cast with power less than Poignant Hydra's power cost {1} less to cast.

Poisonblade Elite enters the battlefield with three -1/-1 counters on it.
Whenever Poisonblade Elite becomes blocked, you may move a -1/-1 from it onto target creature blocking it.

When Poisonblade Herald enters the battlefield, put a -1/-1 counter on a creature you control.

{B}{G}, {T}, Remove a -1/-1 counter from a creature you control: Create a 1/1 green Elf Druid creature token.

Poisonblade Trainee enters the battlefield with a -1/-1 counter on it.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
When Poisonheart Undead enters the battlefield, you draw a card and you lose 1 life.

Put a -1/-1 counter on target creature. Target creature you control fights that creature.

When Polluted Servant enters the battlefield, target opponent loses 1 life and you gain 1 life.
{2}{U}: Exile Polluted Servant, then return it to the battlefield tapped under your control.

({T}: Add {W} or {U}.)
Pool of Light enters the battlefield tapped unless you control a basic Plains or a basic Island.

Whenever a player cycles a card, Possibility Grinder gets +2/+2 until end of turn.

Enchant creature
Enchanted creature gets +1/+1 for each other creature on the battlefield that shares a creature type with it.

Creatures you control get +0/+2 until end of turn. Untap those creatures.

Creatures you control gain deathtouch until end of turn and must be blocked this turn if able.

Spells your opponents cast cost {2} more to cast for each card with the same name as that spell in that player's graveyard and for each nonland permanent on the battlefield with the same name as that spell.

Trample
Primitive Berserker's power is equal to the number of Goblins you control.

Kicker {2} (You may pay an additional {2} as you cast this spell.)
Counter target spell if its mana value is 2 or less. If this spell was kicked, counter that spell if its mana value is 4 or less instead.

Prophetic Flames deals 3 damage to target creature. If you control a Goblin, scry 2. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Each creature you control assigns combat damage equal to its toughness rather than its power.
Whenever another creature enters the battlefield under your control, creatures you control get +0/+1 until end of turn.

Other creatures you control get +0/+1.
Bulwark — {W}: Target creature gains lifelink until end of turn. Activate only if you control a creature with toughness 4 or greater.

Defender (This creature can't attack.)
Whenever you cast a spell during an opponent's turn, scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

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

Destroy all creatures that aren't enchanted or equipped.

Purger of Blights enters the battlefield with a -1/-1 counter on it.
{2}{B}{G}, {T}, Remove a -1/-1 counter from a creature you control: Draw a card.