Gain control of target creature with converted mana cost 3 or less until end of turn. Untap that creature. It gains haste until end of turn.

Adamant — When Clockwork Servant enters the battlefield, if at least three mana of the same color was spent to cast it, draw a card.

: Add one mana of any color in your commander's color identity.

When Corridor Monitor enters the battlefield, untap target artifact or creature you control.

Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.

Defender
: Creatures you control gain haste until end of turn.

Equipped creature gets +1/+0 and has haste.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

You gain X life and each opponent loses X life, where X is the number of Knights you control.

Return up to X target artifact and/or non-Aura enchantment cards each with converted mana cost X or less from your graveyard to the battlefield. If X is 6 or more, those permanents are 4/4 creatures in addition to their other types.

Each player can't cast more than one noncreature spell each turn.

Haste
When you gain life for the first time each turn, return Deathless Knight from your graveyard to your hand.

Counter target spell. Its controller mills three cards.

Tap up to two target creatures. (Then exile this card. You may cast the creature later from exile.)

At the beginning of each player's upkeep, that player sacrifices a nonland, nontoken permanent. If that player can't, they discard a card, they lose 2 life, you draw a card, you gain 2 life, you create a 2/2 white Knight creature token with vigilance, then you sacrifice Doom Foretold.

Choose one —
• Counter target spell with converted mana cost less than or equal to the number of cards in its controller's graveyard.
• Destroy target creature with converted mana cost less than or equal to the number of cards in its controller's graveyard.

(: Add .)
Dwarven Mine enters the battlefield tapped unless you control three or more other Mountains.
When Dwarven Mine enters the battlefield untapped, create a 1/1 red Dwarf creature token.

Whenever you cast a creature spell that has an Adventure, draw a card. (It doesn't need to have gone on the adventure first.)

Menace (This creature can't be blocked except by two or more creatures.)
, Sacrifice another creature or an artifact: Elite Headhunter deals 2 damage to target creature or planeswalker.

Flash
This spell costs less to cast for each attacking creature you control.
When Embercleave enters the battlefield, attach it to target creature you control.
Equipped creature gets +1/+1 and has double strike and trample.
Equip