mtg cards like containment priest exile it instead. Containment Priest X2 M21 Core

Like all spells that require targets, Squirming Emergence will check to make sure its target is still legal as it tries to resolve

There isnt much design space in the mechanic, and it relies on a critical mass of token producers

The staying power of From the Rubble and Scion of Calamity really cant be overstated Veloci-ramp-tor is packed full of cards that seem to increase in value as they move farther away from their initial release

Even though I am skeptical about how effective this archetype will be in Limited, the card still provides essential utility, reflecting the Room cards' consistent theme of cheap access to both effects now and later on