msem-instigator

As long as Champion of Ideals has one or more +1/+1 counters on it, it's an Angel with base power and toughness 4/4, flying, vigilance, and lifelink.
{3}{G}: Judge target creature you control. Activate only as a sorcery. (Honor it by putting a +1/+1 counter on it or condemn it by sacrificing it to draw a card.)

First strike, haste
Wanderlust — At the beginning of combat on each of your turns, if you control four or more differently named lands, you may pay {1}{R}. If you do, create a 4/4 red Dragon creature token with flying and haste. Exile that token at end of combat.

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

Flash
Flying
When Champion of the Provinces enters, return any number of other permanents you control to their owner's hands.

Lifelink
Instant and sorcery spells you control have lifelink.
{2}{R}{W}: Copy target instant or sorcery spell. You may choose new targets for the copy.

Menace
Creatures you control with mana value 1 get +2/+0 and have menace.

When Chantwood Channeler enters from your graveyard, it gains haste and creatures you control get +3/+3 and gain trample until end of turn.
{5}{G}{G}{G}, Sacrifice a creature: Return Chantwood Channeler from your graveyard to the battlefield. Activate only as a sorcery.

Reach
When Chaparral Hunter enters, if a permanent you controlled died this turn, draw a card and you gain 3 life.

Chapel Warden gets +1/+1 and has vigilance as long as you control another Soldier.
{R}, {T}: Chapel Warden deals 1 damage to target creature. Tap that creature.

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

Trample
{1}{G}, Exile a card from your graveyard: Target creature gains trample until end of turn.

Primal {G} (During your turn, you may cast this spell for {G} instead of playing a land.)
When Charging Nymph enters, it gets +2/+0 and gains haste until end of turn.

Once each turn, when a creature you control attacks alone, you may untap target attacking creature. After this combat, there's an additional combat step.

{T}: Tap target creature with power less than or equal to Charmer of the Folded Fan's toughness.

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 a player casts an instant or sorcery spell that targets exactly one creature they don't control, you may copy that spell. If you do, you may choose new targets for the copy.

Reach
Spirited (When this creature enters, you may activate one of its activated abilities without paying its costs.)
{3}{G}: Exile up to one target card from a graveyard. Scry 1.

{1}{G}, Discard a card: Target land you control becomes a 3/3 Elemental creature. It's still a land. Exile the top card of your library face down.
Whenever a land creature you control deals combat damage to a player, put a card exiled with Children of Gos into your hand.

Children of the Void has hexproof as long as it's your turn.
Children of the Void can't attack or block unless you reappropriate (exile exactly two cards from your hand and/or graveyard).

Engorge (As this enters, mill three cards, then exile a card from among the milled cards.)
Spells you cast that share a type with the card Chillwhisper Witch engorged cost {1} less to cast.

Flying
Lands you control have “{T}: Add one mana of any color.”
As long as you control seven or more lands, creatures you control have trample, haste, and hexproof.

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

Flying
{2}{U}: Until end of turn, target creature has your choice of base power and toughness 1/1 or 4/4 until end of turn. Activate only outside of combat.

Flying, prowess
When Chronosphere Sovereign enters, nonbasic permanents target opponent controls don't untap during their controller's next untap step.
When Chronosphere Sovereign dies, it deals 3 damage to each tapped creature you don't control. Destroy each tapped artifact you don't control.