This is a neat trick, and it even lets these gay kings lead a Landfall theme fairly well
The upkeep cost is still a pain, but the fact that you basically win if this card resolves and your opponent has no legal blockers is a testament to the strength of the elder dragon himself
Matoya wont win a game on its own, but it finds the pieces to do so
This artwork for Thoughtseize is the original to the card from back in Lorwyn, a set with flavor roots in old English, Irish, Celtic, and Welsh mythos and fairy tale
With almost two-thirds of the deck cycling for a single mana(!), it becomes inevitable that you will draw multiple copies of this absurdly large Lightning Helix, and at this point, its hard to argue that it needs to do anything else to dominate