To really push this theme we want haste to attack immediately (Goblin Warchief), evasion to get around blockers (Cloudshredder Sliver), and double strike to double up on combat triggers (Sylvia Brightspear)
Its still the one Id opt for first given so many decks can leverage repeating its effect in different ways
I couldn't imagine how I could lose the game when out came Teferi's Moat
Astral Drift Basri, Tomorrow's Champion Benalish Partisan Decree of Justice Dismantling Wave Drannith Healer Flourishing Fox Gempalm Avenger Jo Grant Renewed Faith Resounding Silence Splendor Mare Sunfire Balm Valiant Rescuer Valor's Flagship
Their names are fairly generic, but Id expect more versions of the Medallions before the Crystals get their first reprints
While its a bit more expensive to activate than Great Arashin City, you get twice as many tokens (in a colour notorious for its token doubling capabilities) that you can exploit for ETB effects, Aristocrats, or just straight-up combat damage