As Adaptive Automaton enters the battlefield, choose a creature type.

Adaptive Automaton is the chosen type in addition to its other types.

Other creatures you control of the chosen type get +1/+1.

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.

Commander creatures you control get +2/+2 and have indestructible.

When Bill the Pony enters the battlefield, create two Food tokens. (They're artifacts with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Sacrifice a Food: Until end of turn, target creature you control assigns combat damage equal to its toughness rather than its power.

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.

Changeling (This card is every creature type.)

As Bloodline Pretender enters the battlefield, choose a creature type.

Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender.

Flying

When Boreas Charger leaves the battlefield, choose an opponent who controls more lands than you. Search your library for a number of Plains cards equal to the difference, reveal those cards, put one of them onto the battlefield tapped and the rest into your hand, then shuffle.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Metalcraft -- Chrome Steed gets +2/+2 as long as you control three or more artifacts.

Clockwork Steed enters the battlefield with four +1/+0 counters on it.

Clockwork Steed can't be blocked by artifact creatures.

At end of combat, if Clockwork Steed attacked or blocked this combat, remove a +1/+0 counter from it.

{X}, {T}: Put up to X +1/+0 counters on Clockwork Steed. This ability can't cause the total number of +1/+0 counters on Clockwork Steed to be greater than four. Activate only during your upkeep.

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

Sacrifice Commander's Sphere: Draw a card.

Other Horses you control have indestructible.

At the beginning of each end step, if you gained life this turn, create a 5/5 white Horse creature token.

As Diamond Mare enters the battlefield, choose a color.

Whenever you cast a spell of the chosen color, you gain 1 life.

Flying

Whenever you attack with two or more creatures, draw a card.

Whenever another player attacks with two or more creatures, they draw a card if none of those creatures attacked you.

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.

Hipparion can't block creatures with power 3 or greater unless you pay {1}.

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.

Changeling (This card is every creature type.)

When Irregular Cohort enters the battlefield, create a 2/2 colorless Shapeshifter creature token with changeling.

At the beginning of each opponent's end step, if that player controls more creatures than you, create a 1/1 white Soldier creature token.

At the beginning of each opponent's end step, if that player controls more lands than you, you may search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

Whenever a commander you control attacks, put a +1/+1 counter on it.

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

This spell can't be countered.

Lightning Mare can't be blocked by blue creatures.

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

Vigilance

Lieutenant -- At the beginning of combat on your turn, if you control your commander, prevent all combat damage that would be dealt to creatures you control this turn. Other creatures you control gain vigilance until end of turn.

As Metallic Mimic enters the battlefield, choose a creature type.

Metallic Mimic is the chosen type in addition to its other types.

Each other creature you control of the chosen type enters the battlefield with an additional +1/+1 counter on it.

Minas Tirith enters the battlefield tapped unless you control a legendary creature.

{T}: Add {W}.

{1}{W}, {T}: Draw a card. Activate only if you attacked with two or more creatures this turn.

Changeling (This card is every creature type.)

{X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

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

Whenever Port Razer deals combat damage to a player, untap each creature you control. After this phase, there is an additional combat phase.

Port Razer can't attack a player it has already attacked this turn.

Horses you control have haste. (They can attack and {T} as soon as they come under your control.)

Whenever Shadowfax, Lord of Horses attacks, you may put a creature card with lesser power from your hand onto the battlefield tapped and attacking.

Shield Mare can't be blocked by red creatures.

When Shield Mare enters the battlefield or becomes the target of a spell or ability an opponent controls, you gain 3 life.

Whenever another creature enters the battlefield, you gain 1 life.

Changeling (This card is every creature type.)

Whenever an opponent casts a spell, you may put a +1/+1 counter on Taurean Mauler.

Haste (This creature can attack and {T} as soon as it comes under your control.)

When Thundermare enters the battlefield, tap all other creatures.

Sacrifice a land: Trenching Steed gets +0/+3 until end of turn.

Workhorse enters the battlefield with four +1/+1 counters on it.

Remove a +1/+1 counter from Workhorse: Add {C}.