Whenever Agrus Kos, Wojek Veteran attacks, attacking red creatures get +2/+0 and attacking white creatures get +0/+2 until end of turn.

First strike, vigilance Akiri, Line-Slinger gets +1/+0 for each artifact you control. Partner (You can have two commanders if both have partner.)

Whenever Akroan Hoplite attacks, it gets +X/+0 until end of turn, where X is the number of attacking creatures you control.

First strike, vigilance Heroic — Whenever you cast a spell that targets Anax and Cymede, creatures you control get +1/+1 and gain trample until end of turn.

Whenever an instant or sorcery spell you control deals damage, create two 1/1 red and white Soldier creature tokens with haste.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) {2}{R}{W}: Boros Challenger gets +1/+1 until end of turn.

({R/W} can be paid with either {R} or {W}.) First strike

Double strike

As long as it's your turn, Fresh-Faced Recruit has first strike.

{R}, Sacrifice Goblin Legionnaire: It deals 2 damage to any target. {W}, Sacrifice Goblin Legionnaire: Prevent the next 2 damage that would be dealt to any target this turn.

Double strike

Double strike (This creature deals both first-strike and regular combat damage.)

Double strike, vigilance Whenever you cast a creature spell with mana value 5 or greater, you get an experience counter. Kalemne, Disciple of Iroas gets +1/+1 for each experience counter you have.

When Odric, Blood-Cursed enters the battlefield, create X Blood tokens, where X is the number of abilities from among flying, first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance found among creatures you control. (Count each ability only once.)

Flying Whenever Skyknight Vanguard attacks, create a 1/1 white Soldier creature token that's tapped and attacking.

Menace Whenever Sophina, Spearsage Deserter attacks, investigate once for each nontoken attacking creature. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Friends forever (You can have two commanders if both have friends forever.)

Double strike, vigilance, trample

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

Haste Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) Prevent all noncombat damage that would be dealt to other creatures you control. {R}{W}: Tajic, Legion's Edge gains first strike until end of turn.

Haste Whenever you cast a spell that targets Tenth District Legionnaire, put a +1/+1 counter on Tenth District Legionnaire, then scry 1.

Other creatures you control get +1/+0 as long as you control an Equipment.

At the beginning of your upkeep, put a muster counter on Assemble the Legion. Then create a 1/1 red and white Soldier creature token with haste for each muster counter on Assemble the Legion.

(Gain the next level as a sorcery to add its ability.) When Fighter Class enters the battlefield, search your library for an Equipment card, reveal it, put it into your hand, then shuffle. {1}{R}{W}: Level 2 Equip abilities you activate cost {2} less to activate. {3}{R}{W}: Level 3 Whenever a creature you control attacks, up to one target creature blocks it this combat if able.

Red creatures you control get +1/+0. White creatures you control get +0/+1. {R}{W}, Exile Legion's Initiative: Exile all creatures you control. At the beginning of the next combat, return those cards to the battlefield under their owner's control and those creatures gain haste until end of turn.

Aurelia's Fury deals X damage divided as you choose among any number of targets. Tap each creature dealt damage this way. Players dealt damage this way can't cast noncreature spells this turn.

Choose one — • Boros Charm deals 4 damage to target player or planeswalker. • Permanents you control gain indestructible until end of turn. • Target creature gains double strike until end of turn.

Creatures you control gain indestructible. Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.

The next time a source of your choice would deal damage to you this turn, prevent that damage. If damage is prevented this way, Deflecting Palm deals that much damage to that source's controller.

Target creature deals damage to itself equal to its power.

Target creature gets +3/+0 until end of turn. Target creature gets +0/+3 until end of turn.

Choose one or both — • Deafening Clarion deals 3 damage to each creature. • Creatures you control gain lifelink until end of turn.

Create two 1/1 white Soldier creature tokens. Until end of turn, creatures you control get +1/+1 and gain haste. (They can attack and {T} this turn.)