That first line that gives him a discount for each land in your graveyard also affects his commander tax, which means that with a little setup, casting a 6/6 for 3 mana can become somewhat trivial
All told, we are talking about an effect here that's capable of taking you from a losing position to making you the most likely player to win the game
2 Dragon $32,364 Charizard Leading The Charge Though Charizard didn't have access to the Dragon typing until it gained a Mega Evolution, it still headlines the most valuable cards from Dragon
Then, when the finishing blow finally comes, it splits into 11 or more individual copies on the stack making it impossible to counter them all
Using X-Speed lets you save up Energy and keep your Arceus ex's Ultimate Force and Dialga ex's Heavy Impact prepared for a game-ending turn
This is a Timmy deck through and through - with buckets of draw, lashings of ramp, and a sizeable side dish of+1/+1 counters