The floor of getting back a fetch land and a good creature that traded in combat is awesome, and the ceiling of two threats of nearly any permanent type is immense
Can Lessons Work Without Learn Cards
The big thing here was finding the best sets of duals that could be reasonably afforded by someone his age
Urza, Lord High Artificer The next is the designed to break Modern dork that costs four, has a smaller 1/4 body and then ETBs with a win con in size of your artifacts in artifact token form with the ability to ramp by tapping your artifacts for Blue mana and then that mana can be spend on anything, not just artifacts and you can spend five mana to cast free stuff, nasty little kill, free stuff, ramping powerhouse which people don't fill around nicely and I hate to see abused
Avatar Aang also has Firebending 2, while there is no -ing after Yues Waterbend ability
Belle Hidden Archer Belle Hidden Archer is a 5-cost Emerald card with 3 Strength, 3 Willpower and 3 Lore