Flying, lifelink, haste

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

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

Other artifact creatures you control have haste.

Whenever one or more artifact creatures you control attack, Alibou, Ancient Witness deals X damage to any target and you scry X, where X is the number of tapped artifacts you control.

{T}: Add one mana of any color in your commander's color identity.

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.

Flying

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

At the beginning of combat on your turn, choose up to one target creature you control. Until end of turn, that creature gets +2/+0, gains trample if it's red, and gains vigilance if it's white.

Flying, vigilance, haste

Whenever Aurelia, the Warleader attacks for the first time each turn, untap all creatures you control. After this phase, there is an additional combat phase.

Other red creatures you control get +1/+1.

Other white creatures you control get +1/+1.

Whenever you cast a red spell, Balefire Liege deals 3 damage to target player or planeswalker.

Whenever you cast a white spell, you gain 3 life.

Whenever you cast a spell that's both red and white, Battlegate Mimic has base power and toughness 4/2 until end of turn and gains first strike until end of turn.

Attacking creatures you control have double strike.

This spell costs {1} less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

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.

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.

{1}{R}: Target creature gains haste until end of turn.

{1}{W}: Target creature gains first strike until end of turn.

{1}, {T}: Add {R}{W}.

Double strike

Whenever Bruse Tarl, Boorish Herder enters the battlefield or attacks, target creature you control gains double strike and lifelink until end of turn.

Partner (You can have two commanders if both have partner.)

{T}: Add one mana of any color in your commander's color identity.

Choose one or both --

• Deafening Clarion deals 3 damage to each creature.

• Creatures you control gain lifelink until end of turn.

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 gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

When Duergar Hedge-Mage enters the battlefield, if you control two or more Mountains, you may destroy target artifact.

When Duergar Hedge-Mage enters the battlefield, if you control two or more Plains, you may destroy target enchantment.

Create X 2/2 white Samurai creature tokens with vigilance. They gain menace and haste until end of turn.

Each opponent creates X minus one 2/2 white Samurai creature tokens with vigilance.

Choose one --

• Energy Bolt deals X damage to target player or planeswalker.

• Target player gains X life.

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is Esper Sentinel's power.

{R/W}: Figure of Destiny becomes a Kithkin Spirit with base power and toughness 2/2.

{R/W}{R/W}{R/W}: If Figure of Destiny is a Spirit, it becomes a Kithkin Spirit Warrior with base power and toughness 4/4.

{R/W}{R/W}{R/W}{R/W}{R/W}{R/W}: If Figure of Destiny is a Warrior, it becomes a Kithkin Spirit Warrior Avatar with base power and toughness 8/8, flying, and first strike.

Hexproof from monocolored

Whenever you cast a multicolored spell, create a 4/4 red and white Golem artifact creature token.

Flying, first strike

If a source would deal damage to an opponent or a permanent an opponent controls, that source deals double that damage to that player or permanent instead.

If a source would deal damage to you or a permanent you control, prevent half that damage, rounded up.

{T}: Another target creature you control gains protection from colorless or from the color of your choice until end of turn.

Multicolored creatures you control get +1/+1.

As long as it's your turn, creatures you control get +2/+0.

As long as it's not your turn, creatures you control get +0/+2.

Haktos the Unscarred attacks each combat if able.

As Haktos enters the battlefield, choose 2, 3, or 4 at random.

Haktos has protection from each mana value other than the chosen number.

Indestructible

As long as your devotion to red and white is less than seven, Iroas isn't a creature.

Creatures you control have menace.

Prevent all damage that would be dealt to attacking creatures you control.

First strike

Metalcraft -- Creatures you control get +3/+0 as long as you control three or more artifacts.

Target creature deals damage to itself equal to its power.

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.

Lightning Helix deals 3 damage to any target and you gain 3 life.

Cast this spell only before attackers are declared.

You choose which creatures attack this turn.

You choose which creatures block this turn and how those creatures block.

{T}: Target creature you control gains protection from the color of your choice until end of turn.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Flying

Attacking creatures you control get +2/+0.

When Path of Mettle enters the battlefield, it deals 1 damage to each creature that doesn't have first strike, double strike, vigilance, or haste.

Whenever you attack with at least two creatures that have first strike, double strike, vigilance, and/or haste, transform Path of Mettle.

(Transforms from Path of Mettle.)

{T}: Add one mana of any color.

{1}{R}, {T}: Metzali, Tower of Triumph deals 2 damage to each opponent.

{2}{W}, {T}: Choose a creature at random that attacked this turn. Destroy that creature.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

First strike

Whenever a Samurai or Warrior you control attacks alone, untap it. If it's the first combat phase of the turn, there is an additional combat phase after this phase.

Flying, haste

If a spell would deal damage to you or another permanent you control, prevent that damage.

If a spell would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 1 instead.

Destroy target blocking creature. Creatures that were blocked by that creature this combat gain trample until end of turn.

Choose one --

• Rip Apart deals 3 damage to target creature or planeswalker.

• Destroy target artifact or enchantment.

When Rise of the Hobgoblins enters the battlefield, you may pay {X}. If you do, create X 1/1 red and white Goblin Soldier creature tokens.

{R/W}: Red creatures and white creatures you control gain first strike until end of turn.

Enchant creature

As long as enchanted creature is red, it gets +1/+1 and has "{R/W}: This creature gets +1/+0 until end of turn."

As long as enchanted creature is white, it gets +1/+1 and has lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)

Flying, menace

Flying

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

{T}: Add {C}{C}.

Suspend 3--{1} (Rather than cast this card from your hand, pay {1} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

{T}: Add {C}{C}.

Enchant creature

Enchanted creature gets +2/+2.

When enchanted creature dies, return that card to its owner's hand.

Vigilance

Whenever Swathcutter Giant attacks, it deals 1 damage to each creature defending player controls.

Double strike, vigilance, trample

Exile target creature. Its controller gains life equal to its power.

Indestructible

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

{T}: Add {C}.

{T}: Add {R} or {W}. Talisman of Conviction deals 1 damage to you.

Whenever you cast a multicolored spell, draw a card.

{T}: Add one mana of any color.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Whenever Truefire Captain is dealt damage, it deals that much damage to target player.

Flying, vigilance, haste

Whenever Velomachus Lorehold attacks, look at the top seven cards of your library. You may cast an instant or sorcery spell with mana value less than or equal to Velomachus Lorehold's power from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.

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

Whenever a non-Human creature you control attacks, look at the top six cards of your library. You may put a Human creature card from among them onto the battlefield tapped and attacking. It gains indestructible until end of turn. Put the rest of the cards on the bottom of your library in a random order.