Hero card

Keeper of the Quiet Hour

Artifact Creature - Chimera

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

Needs: Jace (Empower)

Gives: Artifacts, Jace (Empower), ETB

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

Build a deck with Keeper of the Quiet Hour as the hero

Makes it work

Campus Crier · Repurposed Enforcer · Mindseeker Oculus · Plan for All Outcomes · Way of the Cryomancer · Academic Ascent · Jace, Reality Sculptor · Way of the Healer

Benefits from it

G'raha Tia

Use instead if you don't have it

Sterling Hound · Burnished Hart · Adaptive Automaton · Scrawling Crawler · Utrom Scientists · Nobody

Cards in the meta that answer it

Burst Lightning (Izzet Elemental) · Countersculpt (Azorius Control) · Get Lost (Azorius Control) · Jeskai Revelation (4-Color Control)