mtg card collection Instant Fan discovers he has one

Theres a few good reasons for that

Im certainly not going to argue that Legacy isnt too expensive, but the Reserved List isnt the major culprit here

Tyranid Prime #145 Warhammer 40K Commander Decks Change Version Tyranid Prime Creature Tyranid Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) Synapse Creature Other creatures you control have evolve

Urza, Chief Artificer Our top-scoring card is this banner legendary dork from his Commander deck

That player may change any number of the targets, including all of them or none of them