Marvel Super Heroes Commander

Legendary Creature — Human Soldier Hero

Flying, vigilance
Battalion — Whenever Captain America and at least two other creatures attack, put a +1/+1 counter on each attacking creature. They gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Captain America, Skybound

Legendary Creature — Bird Human Hero

Flying, lifelink
Battalion — Whenever Falcon and at least two other creatures attack, put a +1/+1 counter on him and scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Falcon, Joaquin Torres

Legendary Creature — Human Soldier

First strike
Battalion — Whenever General Thunderbolt Ross and at least two other creatures attack, attacking creatures get +1/+0 until end of turn.

General Thunderbolt Ross

Fallout

Legendary Creature — Human Knight

Battalion — Whenever Paladin Elizabeth Taggerdy and at least two other creatures attack, draw a card, then you may put a creature card with mana value X or less from your hand onto the battlefield tapped and attacking, where X is Paladin Elizabeth Taggerdy's power.

Paladin Elizabeth Taggerdy

Haste
As long as an artifact entered the battlefield under your control this turn, creatures you control get +2/+2.
Battalion — Whenever Sentinel Sarah Lyons and at least two other creatures attack, Sentinel Sarah Lyons deals damage equal to the number of artifacts you control to target player.

Sentinel Sarah Lyons

Ravnica: Clue Edition

Creature — Minotaur Soldier

Battalion — Whenever this creature and at least two other creatures attack, exile the top card of your library. During any turn you attacked with three or more creatures, you may play that card.

Boros Strike-Captain

Creature — Human Soldier

Battalion — Whenever this creature and at least two other creatures attack, target creature can't block this turn.

Firefist Striker

Creature — Angel

Flying
Battalion — Whenever this creature and at least two other creatures attack, this creature deals 3 damage to any target and you gain 3 life.

Firemane Avenger

Ravnica Remastered

Battalion — Whenever this creature and at least two other creatures attack, this creature gets +2/+2 until end of turn.

Boros Elite

Battalion — Whenever this creature and at least two other creatures attack, put a +1/+1 counter on this creature.

Makeshift Battalion

Battalion — Whenever this creature and at least two other creatures attack, this creature deals 1 damage to any target.

Bomber Corps

Doctor Who

Creature — Alien Soldier

Trample, haste
Battalion — Whenever this creature and at least two other creatures attack, for each opponent, goad up to one target creature that player controls. Those creatures can't block this turn. (Until your next turn, they attack each combat if able and attack a player other than you if able.)

Sontaran General

Tales of Middle-earth Commander

Creature — Human Cleric

Battalion — Whenever this creature and at least two other creatures attack, creatures you control gain indestructible until end of turn.
Sacrifice this creature: Counter target spell with {X} in its mana cost unless its controller pays {3}.

Frontline Medic

Dominaria United Commander

Indestructible
Battalion — Whenever Tajic and at least two other creatures attack, Tajic gets +5/+5 until end of turn.

Tajic, Blade of the Legion

The List

Creature — Human Knight

Battalion — Whenever this creature and at least two other creatures attack, this creature gains flying until end of turn.

Daring Skyjek

GRN Guild Kit

Creature — Goblin Soldier

Haste
Battalion — Whenever this creature and at least two other creatures attack, creatures you control gain first strike and trample until end of turn and can't be blocked by creature tokens this turn.

Legion Loyalist

Unstable

Garbage Elemental

Creature — Elemental

Last strike (This creature deals combat damage after creatures without last strike.)
Battalion — Whenever this creature and at least two other creatures attack, target creature can't block this turn.

Dragon's Maze

Creature — Dog

Battalion — Whenever this creature and at least two other creatures attack, this creature gains lifelink until end of turn. (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)

Boros Mastiff

Gatecrash

Battalion — Whenever this creature and at least two other creatures attack, this creature gets +1/+1 until end of turn. Untap it.

Nav Squad Commandos

Creature — Elemental Soldier

Battalion — Whenever this creature and at least two other creatures attack, this creature gets +2/+0 until end of turn.

Warmind Infantry

Battalion — Whenever this creature and at least two other creatures attack, this creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

Ordruun Veteran

Battalion — Whenever this creature and at least two other creatures attack, this creature gains first strike until end of turn.