Whenever another creature you control enters, you may pay
Current choices for a commander who can repeatedly flicker your permanents are as follows: Brago, King Eternal Aminatou, the Fateshifter Emiel the Blessed Meneldor, Swift Savior Roon of the Hidden Realm Oji, the Exquisite Blade Thassa, Deep-Dwelling Gilraen, Dunedain Protector Far Traveler Feather, the Redeemed Almost all flicker-capable commanders feature white in their color identity, which makes sense and is highly recommended given that a high percentage of other flicker spells are white
That's rightMasques Block strikes again
Want to see the batch scanner before installing anything
Compatible with PSA, CGC, BGS & One Touch holders
Both stores have the Shrouded Fable box available for about the same price