Shiny Impetus

2R

Enchantment - Aura

Enchant creature

Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Whenever enchanted creature attacks, you create a treasure token. (It's an artifact with "T, Sacrifice this artifact: Add one mana of any color.")

Predatory Impetus

4G

Enchantment - Aura

Enchant creature
Enchanted creature gets +3/+3, must be blocked if able, and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Martial Impetus

2W

Enchantment - Aura

Enchant Creature

Enchanted creature gets +1/+1 and is goaded.

Whenever enchanted creature attacks, each other creature attacks, each other creature that's attacking one of your opponents get +1/+! until end of turn.

Frontier Warmonger

3R

Creature - Human Warrior

4/4

Whenever one or more creatures attack one of your opponents or a planeswalker they control, those creature gain menace until end of turn.

Flawless Maneuver

2W

Instant

If you control a commander, you may cast this spell without paying its mana cost.

Creatures you control gain indestructible until end of turn.

Obscuring Haze

2G

Instant

If you control a commander, you may cast this spell without paying its mana cost.

Prevent all damage that would be dealt this turn by creatures your opponents control.

Agitator Ant

2R

Creature - Insect

2/2

At the beginning of your end step, each player may put two +1/+1 counters on a creature they control. Goad each creature that had counters put on it this way.

Capricopian

XG

Creature - Goat Hydra

2: Put a +1/+1 counter on this creature, then you may reselect which player this creature is attacking. Only the player this creature is attacking may activate this ability and only during the declare attackers step.

Cazur, Ruthless Stalker

3G

3/3

Whenever a creature you control deals combat damage to a player, put a +1/+1 counter on that creature.

Trynn, Champion of Freedom

At the beginning of your end step, if you attacked this turn, create a 1/1 white Human Soldier creature token.

Bonder's Enclave

Land

tap: 1

3 tap: Draw a card. Activate this ability only if you control a creature with power 4 or greater.

Thwart the Enemy

2G, Instant

Prevent all damage that would be dealt this turn by creatures your opponents control.

Clash of Titans?

3RR, instant

Target creature fights another target creature

Barrier Breach

2G, Instant, Cycling 2

Exile up to three target enchantments