Any creature that comes under your control has summoning sickness the turn you obtain control of it, even if it was a non-creature permanent before becoming a creature (thats why even vehicle commanders have summoning sickness, too)
The timing on Debt of Loyalty is tricky, but it gets style points for being relatively unknown
Some rarest and most valuable Pokmon cards include the Pikachu Illustrator card, the Prerelease Raichu card, the Promo Mewtwo card, and the Gold Star Espeon
The Most Competitive Spike, Tournament Grinder | Illustration by Zoltan Boros These are both essentially intro decks for EDH, so neither of them are meant to be significantly viable competitively
There's just nothing more to say, it's level of power is that obvious and it was the most iconic mistake in this block