what's the most expensive yugioh card in the world 10 of Yu-Gi-Oh! cards of all time The 50 Most Expensive Yu-Gi-Oh

Perhaps the best is the candelabra with three lit candles, despite being underwater, and the flames look like little fishes

Go-Shintai of Life's Wisdom is valuable to the deck for its ability to bring enchantments back from the graveyard to the battlefield, and it might be that Wizards chose the card for this ability alone

None of what you listed is a trigger

Last March of the Ents and Rishkars Expertise have a pretty high casting cost, but playing green, you should have no problem with mana in the middle to late stages of a game

Each color in Magic has its own subset of lords or anthem effects that boost specifically creatures of that color