mtg mystery booster playtest cards Puresteel Angel [Mystery Cards] All cards will be carefully packed for safe transit. Weaponized Scrap [Mystery Booster Playtest

For Constructed, it's hard to see this making much of an impact outside of very specific Room-focused decks

The problem was that it didnt feel like summoning another person to fight alongside you, but a script that was being followed a story being told

Everything from new artifact synergies using the Warp to massively powerful voids tearing open the battlefield seems to be on the table for this set

Making an exponentially large number of tokens is one thing, but its very easy to give them haste and get opponents dead very quickly

Some more modern cards I know off the top of my head that I would consider if I were to rebuild it are Duelist's Heritage, Loran of the Third Path, Esper Sentinel, Tocasia's Welcome, and Welcoming Vampire

All of the Grixis lands with cycling are likely good here too, but there are some awesome cards that ask you to discard cards as part of the cost