Merfolk Tunnel-Guide
Creature — Merfolk Wizard2/2
When Merfolk Tunnel-Guide enters, you get a three-time boon with "Whenever one or more Merfolk enter under your control, target Merfolk creature you control explores."
Not legal in Commander
Creature — Merfolk Wizard2/2
When Merfolk Tunnel-Guide enters, you get a three-time boon with "Whenever one or more Merfolk enter under your control, target Merfolk creature you control explores."
Not legal in Commander