mtg foundation booster box Magic the Gathering Foundations Collector or future Magic player MtG Foundations Booster Pack Review

Expanded Format Playability: Some rotated cards might still hold value if they are powerful in the Expanded format, which has a much larger card pool (currently Black & White series onwards) and does not undergo annual rotation

Mason run you through the basics, and let you play a practice game

BT2-111 SEC Digimon Lv.6 Alternative Art Beelzemon Color Purple Cost 12 DP 11000 Digivolve Cost 1 Purple 4 from Lv.5 Form Mega Attribute Virus Type Demon Lord/Seven Great Demon Lords Card Text 1 [Effect] While you have 10 or more cards in your trash, your [Impmon] can digivolve into this card in your hand for a memory cost of 4, ignoring this card's digivolution requirements

While it feels tailor-made for answering threats that are difficult to remove, it can also be used to shuffle any annoying artifact or enchantment back into its owner's library and disrupts the topdeck manipulation that you'll see in many popular decks

I might be leaving some stuff out, but that's more or less my thought process regarding it