msem-instigator

Permanents entering the battlefield don't cause abilities of permanents to trigger.

{T}, Sacrifice Camahueto Calf: Return target land card from your graveyard to the battlefield tapped.

This spell costs {1} less to cast for each creature you control.
Trample
While you're searching your library, you may cast Camouflaged Sprareos from your library.

Trample
{2}{G}{G}: Put Canal Lurker from its owner's graveyard on top of its owner's library.

Enchant creature you control
Enchanted creature gets +1/+1 and has ward {1}.
Whenever enchanted creature deals combat damage to a player, choose target creature you control without a permanent named Candlegift attached to it. Create a token that's a copy of Candlegift attached to that creature.
{W}, Sacrifice five enchantments: Create a 5/5 white Angel creature token with flying.

Flash
When Cane Dancer enters the battlefield, you may cast target blue instant or sorcery card with mana value 2 from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

Canid Simulacrum enters the battlefield with each counter on it from among +1/+1, flying, first strike, deathtouch, lifelink, menace, reach, shield, trample, and vigilance. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)
Whenever a creature enters the battlefield under your control, move two random counters from Canid Simulacrum onto that creature.

Cannoncoil Hermit enters the battlefield with X +1/+1 counters on it.
{1}, {T}: Put a +1/+1 counter on Cannoncoil Hermit.
{1}, {T}, Remove a +1/+1 counter from Cannoncoil Hermit: It deals damage equal to its power to any target.
{3}: Untap Cannoncoil Hermit.

{T}: Add {C}.
{T}, Pay 1 life: Add {U} or {R}.

When Capac's Envoy enters the battlefield, draw a card.
If one or more players would draw a card except the first one they draw in each of their draw steps, instead each player may draw a card.

Exile any number of target artifacts and/or enchantments you control, then return them to the battlefield under your control.

First strike, haste
Play with the top card of your library revealed.
{1}{R}: Darlene gets +1/+0 until end of turn.
Whenever Darlene deals damage to a player, if the top card of your library has mana value equal to the damage dealt, you may cast it without paying its mana cost.

Creatures you control have haste and attack each combat if able.
Attacking Soldiers you control get +1/+0.

Gain control of target creature.

Search your library for a card and put it into your hand, then shuffle. You lose life equal to the number of cards in your hand.

Careless Violence deals 2 damage to each creature. If a creature dealt damage this way would die this turn, exile it instead.

Until end of turn, all creatures gain deathtouch and “When this creature dies, its controller loses 2 life.”

Haste
Whenever Carnival Daredevil deals combat damage to a player, exile the top card of your library.
Duet — You may play cards exiled with Carnival Daredevil as long as you control exactly two tapped creatures.

Whenever you gain life, Clerics you control get +1/+1 and gain trample until end of turn.

Flash
When Caronas, Eon Wanderer enters the battlefield, you gain 2 life and draw two cards if Caronas, Eon Wanderer isn't on the battlefield.
{2}{W}{U}, Discard two cards: Aetherize Caronas. (To aetherize, create a token that's a copy of it, then exile that token.)

When Carrion Scythe enters the battlefield, if you cast it, you may return target creature card from your graveyard to the battlefield, then attach Carrion Scythe to it.
Equipped creature gets +1/+1 and has deathtouch.
Equip {2}

Equipped creature gets +1/+1 for each differently named land you control.
Equip {3}

(As this Discovery enters and after your draw step, add a progress counter. Stop after you've discovered.)
I, II — Scry 2.
Discovery — Whenever a land enters the battlefield under your control, if it doesn't have the same name as another land you control, draw a card.

Vanishing 3 (This permanent enters the battlefield with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
Whenever a time counter is removed from a permanent you control, Carve a Path deals 1 damage to any target.

Glitch {1} (Remove one [restriction] for each time you pay the glitch cost.)
Each opponent loses 3 life, discards a card, sacrifices a creature, then sacrifices a land.
[You lose 3 life.] [Discard a card.] [Sacrifice a creature.] [Sacrifice a land.]