mtg if you have 200 cards Commander bans drive 200% price spike for fast-mana card Creatures you control get +1/+1 and gain trample until end of turn What's thebpurpose of 200+ card

These cards not only enhance gameplay with their unique abilities and effects but also serve as prized artefacts that can appreciate significantly in value

We're going to speedrun through dungeons and get haste and pump with Kick in the Door, draw tons of cards and make our creatures lethal with Fists of Flame, untap all our creatures give them haste and cast our hand with Traitorous Greed, give trample and draw tons with Ancestral Anger

In a competitive format, you need to worry about both the tournament structure and the metagame

Giclee Print of Mirrodin Besieged illustrated by Bram Sels for the Modern Horizons expansion of Magic: the Gathering