Hero card

A Killer Among Us

Enchantment

Value on arrivalDoes its thing as it enters: worth it from the first moment

Needs: Changeling

Gives: Counter +1/+1, Tokens, Enchantment

Not in winning lists yet: read from the card text and the graph

Build a deck with A Killer Among Us as the hero

Makes it work

Mutable Explorer · Chitinous Graspling · Chomping Changeling · Gangly Stompling · Crib Swap · Sizzling Changeling · Mischievous Sneakling

Benefits from it

Case of the Trampled Garden · Edgar, Moonlit Sovereign · Wilderland Scrounger · Insidious Roots · The Astonishing Ant-Man · Three Tree Scribe · Wildwood Mentor · Sovereign Okinec Ahau

Use instead if you don't have it

Dancing from Dark to Dawn · Additive Evolution · Eusocial Engineering · Doubling Season · Primeval Bounty · Sylvan Scavenging

Cards in the meta that answer it

Countersculpt (Azorius Control) · Get Lost (Azorius Control) · Inevitable Defeat (4-Color Control) · No More Lies (Azorius Control)