Many staples have already had reprints, such as Farewell, but I think the Legendary Lands from Neon Dynasty are strong contenders to start ticking upwards for a while, now that they are no longer Standard legal
One other point to mention is that if you have a spell like Lightning Axe, which has an additional cost stapled to the main effect of the spell then you need to pay that cost even if youre casting for free
Mystic Reflection - Yeah, everyones talking about Avenger of Zendikar and Master of Waves
Not only do you need the pod and the dork and the things to make that dork cheaper compared to their CMC but you also need a target with the exact CMC +1 of the thing you ditch
Are you excited for it
1 Traditional foil full-art Eldrazi land 1 of 5 full-art Eldrazi basic lands 1 Non-foil common or uncommon retro frame card or full-art Snow-Covered Wastes In addition to the full-art Snow-Covered Wastes found in this slot (2.6%), here you will find a selection of commons and uncommons from MH1, MH2, and MH3 all brought into the retro frame