msem-instigator

Whenever a Soldier or Knight you control enters, you may sacrifice Ceanne's Dawnbringer. If you do, put your choice of two different counters on that creature from among +1/+1, first strike, lifelink, and vigilance.

Ceanne, Shield of Caerdyne enters with your choice of a +1/+1, first strike, lifelink, or vigilance counter.
Counters remain on Ceanne as it moves to any zone other than a player's hand or library.
{3}{G/W}: For each kind of counter on Ceanne, put a counter of that kind on another target creature you control. Activate only once each turn and only as a sorcery.

Whenever a creature enters, if it entered from a graveyard or a player cast it from a graveyard, return Ceaseless Stalker from your graveyard to the battlefield at the beginning of the next end step.

Whenever you cast a spell, if it isn't your main phase, create a 1/1 white Monk creature token, then creatures you control get +1/+1 until end of turn.

Flash
When Cephalovorous Flukes enters, counter target spell or ability that targets you or a permanent you control.

As long as you control three or more creatures with the same name, Scouts and Wizards you control can't be blocked.
A deck can have any number of cards named Ch'aska Walla Chasqui.

Haste
Winnow (Damage dealt to this creature also causes you to lose that much life.)

Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on Champion of the Fae.

Flying
When Champion's Steed enters, put a flying counter on target Avatar you control without flying.

When Channeler of the Veil enters, create a 1/1 colorless Construct artifact creature token.
Sacrifice another creature: Each opponent loses 1 life.

Trample
Whenever Chasqui Veteran deals combat damage to a player, if you control three or more artifacts and/or enchantments, draw a card.

Flying
When Chattering Parrot enters or leaves the battlefield, you may draw a card. If you do, put a card from your hand on the bottom of your library.

Whenever Chi Lee attacks, you may discard a card. If you do, create a 4/4 black Demon creature token with “Whenever this creature deals combat damage to a player, return target card from your graveyard to your hand.”

When Chikyu Champion enters, choose up to one for each land you control. Create a creature token for each of the chosen characteristics.
• 3/3 red Elemental Mouse with haste.
• 3/3 white and blue Fox with vigilance.
• 4/4 green Plant Dinosaur with trample.
• 4/4 red Dragon with flying.
• 4/4 blue Turtle with hexproof.
• 5/5 white Bear Beast.

Flying

{T}: Target creature loses all abilities until end of turn. Exile Chochin the Silent Moth and that creature.

Other Warriors you control have trample.
{G}: Chratteri Valiant gets +2/+2 and gains trample until end of turn. Activate only once each turn.

Sacrifice Chromeleon: Add one mana of any color. Scry 1.

When Chronic Traitor enters, each player sacrifices a creature. If Chronic Traitor's paranoia cost was paid, each player sacrifices two creatures instead.
Paranoia {2}{B}{B} (You may cast this spell for its paranoia cost when a permanent you control leaves the battlefield.)

Death knell — Add {G}. (As a creature you control dies, trigger one death knell of that creature or another permanent you control.)
{W}{B}{G}: Trigger a death knell of target permanent you control.

{1}{R}: Circus Firebreather gets +1/+0 until end of turn.

{3}{G}: Search your library and/or graveyard for an Aura card, reveal it, and put it into your hand. If you search your library this way, shuffle.
{1}{U}: Untap target creature.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Whenever another creature you control enters, you gain 1 life.
{4}{W}: Return another target creature you control to its owner's hand.

Haste
Claret Gorger can't block.
Unveil {2}{B}{R} ({2}{B}{R}: Transform this. Unveil only as a sorcery.)