9 - Dawns Truce Half Surge of Salvation and half Teferi's Protection, Dawn's Truce allows protecting permanents and combos from removals, yourself from combos and other types of interactions for a lower cost than the most comprehensive card, but also greater than Surge of Salvation
It is a game mechanic that prevents a card from spells or powers targeting it
Sonic works particularly well with Knuckles, and alright with Tails and Amy, as well as loving his power sneakers to make anyone trigger his abilities as they gain haste
Now transformed, you get to take a peek into your opponents hand and force them to discard a card
If youre just looking for the most unique precon experience, this is it
These two cards work quite well together if Karn is Deceiver Exarch, Lattice is Splinter Twin