msem-instigator

Other Knights and Soldiers you control get +1/+0.
Cowards can't block Knights and Soldiers you control.
When Belmord Bloodcurdler enters the battlefield, target creature an opponent controls becomes a Coward in addition to its other types.

Haste
{R}{R}{R}, Discard your hand, Sacrifice Crimson Knight: Draw three cards.

Flying, vigilance
Embattled creatures you control have ward {1}.
Whenever one or more creatures you control deal combat damage to a player, put a +1/+1 counter on one of those creatures.

At the beginning of combat on your turn, create a 1/1 green Elf creature token. That token gains haste until end of turn and attacks this combat if able.
At the beginning of your postcombat main phase, if three or more creatures you control dealt combat damage to a player or planeswalker this turn, add three mana of any one color.

Whenever another Hound enters the battlefield under your control, put a +1/+1 counter on Greypelt Initiate.

Iron Warden enters the battlefield with three -1/-1 counters on it.
When Iron Warden dies, you may distribute X -1/-1 counters among any number of target creatures, where X is the number of -1/-1 counters on Iron Warden.
{2}{R}: Put a -1/-1 counter on target creature.

Prowess
Whenever Knight-Academic attacks, scry 1.

Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn.

Lifelink
Rafiq the Magnanimous has double strike as long as it's attacking.
Whenever Rafiq the Magnanimous attacks, if it's enchanted, equipped, or was the target of a spell or ability you controlled this turn, draw a card.

Shining Crusader has protection from all colors as long as you control no colored permanents.