
Ghostly Sentinel | Creature | Kor Spirit | Flying, vigilance | Daarken

Hero of Goma Fada | Creature | Human Knight Ally | Rally — Whenever Hero of Goma Fada or another Ally enters the battlefield under your control, creatures you control gain indestructible until end of turn. | Lake Hurwitz

Kor Entanglers | Creature | Kor Soldier Ally | Rally — Whenever Kor Entanglers or another Ally enters the battlefield under your control, tap target creature an opponent controls. | Jason Rainville

Planar Outburst | Sorcery | | Destroy all nonland creatures.
Awaken 4—{5}{W}{W}{W} (If you cast this spell for {5}{W}{W}{W}, also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.) | Vincent Proce

Roil's Retribution | Instant | | Roil's Retribution deals 5 damage divided as you choose among any number of target attacking or blocking creatures. | Raymond Swanland

Prism Array | Enchantment | | Converge — Prism Array enters the battlefield with a crystal counter on it for each color of mana spent to cast it.
Remove a crystal counter from Prism Array: Tap target creature.
{W}{U}{B}{R}{G}: Scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) | Philip Straub

Noyan Dar, Roil Shaper | Legendary Creature | Merfolk Ally | Whenever you cast an instant or sorcery spell, you may put three +1/+1 counters on target land you control. If you do, that land becomes a 0/0 Elemental creature with haste that's still a land. | Karl Kopinski

March from the Tomb | Sorcery | | Return any number of target Ally creature cards with total mana value 8 or less from your graveyard to the battlefield. | Lake Hurwitz

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

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