• Type: Action-Duration-Attack
• Cost: 5
• Effect: At the start of your next turn, +$3. Until then, when an opponent gains a card, if they haven't gained a card of that name this turn, they Exile it.

Multi-type (Action-Duration-Attack) + gain-Exile attack + next-turn +$3. Synergizes brilliantly with Falconer. Gain-Exile is brutal in Province race. Tier A.

$5 → Gatekeeper. Duration affects opponents' next-turn gains.

Mid: Each turn fire to suffocate opponents' big-card buys.

Gatekeeper + Falconer: Multi-type reaction.

Gatekeeper + Coven: Double disruption.

Gatekeeper + Black Cat: Duration + reaction.

Gatekeeper + Mastermind: 3-fire.

• Falconer: Multi-type reaction.
• Coven: Double disruption.
• Black Cat: Reaction.
• Cavalry: Horse + gain.
• Mastermind: 3x firing.

• Moat / Diplomat: Attack negation.
• Duration counters: Disruption.

Gain timing: Fire just before opponents' Province turn → Province Exiled.

Mirrors: Gatekeeper first-buyer wins.