
Angelic Captain | Creature | Angel Ally | Flying
Whenever Angelic Captain attacks, it gets +1/+1 until end of turn for each other attacking Ally. | Volkan Baǵa

Munda, Ambush Leader | Legendary Creature | Kor Ally | Haste
Rally — Whenever Munda, Ambush Leader or another Ally enters the battlefield under your control, you may look at the top four cards of your library. If you do, reveal any number of Ally cards from among them, then put those cards on top of your library in any order and the rest on the bottom in any order. | Johannes Voss

Resolute Blademaster | Creature | Human Soldier Ally | Rally — Whenever Resolute Blademaster or another Ally enters the battlefield under your control, creatures you control gain double strike until end of turn. | Joseph Meehan

Grove Rumbler | Creature | Elemental | Trample
Landfall — Whenever a land enters the battlefield under your control, Grove Rumbler gets +2/+2 until end of turn. | Greg Opalinski

Omnath, Locus of Rage | Legendary Creature | Elemental | Landfall — Whenever a land enters the battlefield under your control, create a 5/5 red and green Elemental creature token.
Whenever Omnath, Locus of Rage or another Elemental you control dies, Omnath deals 3 damage to any target. | Brad Rigney