msem-instigator

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

Deathtouch
Poisoned Aleud must be blocked if able.

Deathtouch
When Poisoned Devout enters, choose one —
• Put a +1/+1 counter on Poisoned Devout.
• Create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

Deathtouch

When Poisoned Shiv enters, destroy target creature or planeswalker.
Equipped creature gets +2/+0 and has deathtouch.
Equip {2}

Whenever a player gains life, that player loses 2 life.

{T}, Exile a land card from your hand, from your graveyard, or a land that you control: Add one mana of any color.

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

When Poisonous Growth enters, create a 1/1 green Saproling creature token, then attach Poisonous Growth to it.
Equipped creature has deathtouch.
Equip {4}

Flash
Excess damage Polarity Sage would deal to an attacking creature is dealt to that creature's controller instead.

When Polgek Artisan enters, create an X/X colorless Juggernaut artifact creature token, where X is the number of artifacts and enchantments you control.

When Polgek Restorationist enters, you may return target artifact, enchantment, or planeswalker card from your graveyard to your hand.

Whenever Polgek Songcrafter attacks, other attacking creatures you control get +1/+0 until end of turn. If you control five or more attacking creatures, choose up to one target creature the defending player controls. That creature can't block this turn.

When Political Opportunist enters, you may shuffle the cards from your hand into your library, then draw that many cards.

Whenever a land enters under an opponent's control, that player loses 2 life and you gain 2 life.

When Polluted Servant enters, 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.

Changeling (This card is every creature type.)
{T}: Add {C}.

When Polytheism enters, return up to four target permanent cards not named Polytheism from your graveyard to the battlefield. They become 4/4 God creatures in addition to their other types.
Gods you control have indestructible.

{2}{W}, Sacrifice Pompous Explorer: Destroy target artifact or enchantment.

Inspired — Whenever Pon's Apprentice becomes untapped, target creature you control has base power and toughness 5/5 until end of turn.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast an instant or sorcery spell, up to one other target creature has base power and toughness 0/2 until end of turn.

Whenever you cast a spell that doesn't share a color with Pond Tenders, you may put target card from your graveyard on the bottom of your library.

Whenever a creature you control leaves the battlefield, you may pay {1}. If you do, scry 1.
{3}{U}, Return a creature you control to its owner's hand: Draw a card.

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

As Port Town enters, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters tapped.
{T}: Add {W} or {U}.