There's really not a lot to talk about here
A Gates plan lives or dies on nonbasic land tutoring and sequencing priorities (get the Gates enter untapped enabler early, then fixing, then the payoff land, then Mazes End)
For example, blue provides card draw with cards like Consecrated Sphinx and blue countermagic like Mana Drain or Counterspell, black offers powerful spot removal like Fatal Push and has access to the best tutors in the game in the form of Demonic Tutor or Vampiric Tutor, and white adds board wipes (Wrath of God/Day of Judgment) and recursion in cards like Second Sunrise or Faith's Reward
On top of the original Exodus reprint spiking in price, the Timeshifted reprint from 2006 has also jumped significantly
With ten or more counters on it, Hero of Bretagard will have flying and indestructible, and it will be an Angel and a God (and a Human and a Warrior, but those aren't as exciting)
Can You Kill the Token Before the Equipment Becomes Attached