what counts as playing a card mtg Parts of Play vs. Cast in MTG:

In addition to the usual Standard-release sets becoming legal in the format, Modern Horizons sets are also printed periodically with cards intended to shake up this format

Digital-only cards are everywhere in other digital CCGs because it allows them to take advantage of players not having to do things directly, like searching through their deck or keeping track of a perpetual stat loss

This may be a slight nod to cEDH on my part, but I also think that being a staple of the highest-powered Commander variant should count when evaluating a card

These partners are a resilient pair that can withstand more than one opponent, and pivot from life draining to wide alpha strikes as needed

Energy counters made their Magic debut in Kaladesh, but due to their overwhelming presence in Standard, the mechanic hasn't made its way into another Standard-release set since