Players can't respond to your choice of +1/+1 counter or haste, and they can't take actions while the creature is on the battlefield without one or the other
The NEO dragons are all fantastic cards, and because none of them see a huge amount of play outside of Commander, they should hopefully bottom out with Standard rotation
These include cards such as Avatar Aang (flying, firebending, transform), Aang, at the Crossroads (Ally fetch, transform), Boiling Rock Rioter (firebending, Ally reanimate), Earth King's Lieutenant (+1/+1 counters), Fire Lord Zuko (firebending, +1/+1 counters), General Tazri (Ally fetch, anthem effect), Hakoda (cast Allies out of your deck, protection), Katara, the Fearless (double triggers), Katara, Water Tribe (vigilance, 1/1 counters, waterbend), Sokka (menace, prowess, 1/1 tokens), and many more
Afterward, we'll explore cards that can be added later if you want to continue playing the Uta leader in other tournaments
On the other hand, you risk losing strong, archetype-specific cards
You can compare Pokemon to real-life dinosaurs, and see life-sized models of fossil Pokmon