Menace

Whenever Ayara's Oathsworn deals combat damage to a player, if it has fewer than four +1/+1 counters on it, put a +1/+1 counter on it. Then if it has exactly four +1/+1 counters on it, search your library for a card, put it into your hand, then shuffle.

, Discard a card: Bloodsworn Squire gains indestructible until end of turn. Tap it. Then if there are four or more creature cards in your graveyard, transform Bloodsworn Squire. (Damage and effects that say "destroy" don't destroy it.)

Reach (This creature can block creatures with flying.)

Landfall — Whenever a land you control enters, create a 1/1 green Elf Warrior creature token.

Each player who has cast a nonartifact spell this turn can't cast additional nonartifact spells.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

Flying

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card with lesser mana value. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Whenever you attack with two or more non-Gideon creatures, put a +1/+1 counter on each of those creatures.

+2: Until end of turn, Gideon, the Oathsworn becomes a 5/5 white Soldier creature that's still a planeswalker. Prevent all damage that would be dealt to him this turn. (He can't attack if he was cast this turn.)

−9: Exile Gideon, the Oathsworn and each creature your opponents control.

: Choose another target creature. Its controller may exile it with an aegis counter on it.

, : Return all exiled cards with aegis counters on them to the battlefield under their owners' control.

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

Oathsworn Knight enters with four +1/+1 counters on it.

Oathsworn Knight attacks each combat if able.

If damage would be dealt to Oathsworn Knight while it has a +1/+1 counter on it, prevent that damage and remove a +1/+1 counter from it.

Flying

Olivia's Bloodsworn can't block.

: Target Vampire gains haste until end of turn.

Defender (This creature can't attack.)

, Sacrifice Soulsworn Jury: Counter target creature spell.

Swordsworn Cavalier has first strike as long as another Knight entered the battlefield under your control this turn.

: Sworn Defender's power becomes the toughness of target creature blocking or being blocked by Sworn Defender minus 1 until end of turn, and Sworn Defender's toughness becomes 1 plus the power of that creature until end of turn.

When Sworn to the Legion enters the battlefield, nontoken creatures you control perpetually gain double team. (When a creature with double team attacks, conjure a duplicate into your hand, then both of them perpetually lose double team.)

Whenever you cast a creature spell, it perpetually gains double team.