This further enhances the concept of a death race in the TCG, as there will inevitably be casualties among the various teams
While you can accelerate your Dragons out with Dragonspeaker Shaman, losing it can set you back several turns while you wait for your sixth or seventh land to cast your dragons
Whether you are playing GW Megamorph, Jeskai Aggro, Jeskai Black, or Five-Color Bring to Light, you are playing between 11 and 13 fetches at an average cost of $265
Those same players have also been at the brink of defeat, only to be saved by a well-played instant
You cant ask for much more flexibility than a modal spell like a charm that kills artifacts, enchantments, or creatures, or even tutors a card
Ancient Copper Dragon and Ancient Silver Dragon are the runaway winners, but the black dragon slots nicely into self mill or haste-based decks, and the white one is still more than playable in tokens based build though Id want to be in GW to help power it out