rare energy card Single Strike (Secret) 183/163 Single Strike Fairy Energy (Secret) (169/147) -

Wizards of the Coast (WotC) has revealed the contents of the Dominaria United Jumpstart Boosters a standalone Jumpstart product aimed at helping players get into fast and easy games

You could also use them for showing buffs or debuffs for Lore, Strength, Willpower e.t.c Just be careful to make it obvious what each token means

Also, similarly to the Nekroz Ritual Spells that let you get a new Ritual Spell to hand if it is in the GY, Inception can also bring itself back to the hand at the small cost of trading an Imp in your hand or field for another Imp Special Summoned from the deck which then lets you add another Ritual component resulting in, you guessed it, more card advantage

In particular, if you chain to the Special Summon effect and recruit Naturia Antjaw, you can recruit more and it works well