Julia Griffin

Human

Hexhaven Battalion

Create three 2/2 colorless Wizard Soldier creature tokens named Cadet. Empower Jace 2. (Put two loyalty counters on a Jace token you control. If you don't control one, first create a blue Jace planeswalker token with "[−1]: Surveil 1" and "[−3]: Draw a card.")
Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Merfolk

Pawpatch Formation

Choose one —
• Destroy target creature with flying.
• Destroy target enchantment.
• Draw a card. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Otter

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

"In your search for a suspect, never forget that the most important person is the victim."
—Ezrim, Agency chief

Chalk Outline

Whenever one or more creature cards leave your graveyard, create a 2/2 white and blue Detective creature token, then investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Become Brutes

One or two target creatures each gain haste until end of turn. For each of those creatures, create a Monster Role token attached to it. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1 and has trample.)