It makes building and battling way more fun, and it also makes each pull feel a lot more personal
There is certainly tension between wanting instants and sorceries in the graveyard to flashback and enable Delirium for DRC while simultaneously exiling them to Murktide Regent and Demilich
Time will tell, and cards with well supported themes tend to only get more potential over time
Examples: Make tokens, pump them, kill people in combat. Ramp hard, land a value engine, then close with big X-spells. Assemble A+B combo, protect it, win on the stack. Checklist Plan A: How do you win when things go right
Top 10 Rarest Pokmon Cards of All Time
Let me know in the comments, or over on Draftsims TwXtter