Decks like this also apply poison counters so quickly that they compete with aggro decks racing for damage
"The Tokens of Adventures in the Forgotten Realms "
Wizards of the Coast LLC.
The rate isn't bad for what you get, either, and the Great Train Heist will be useful at every stage of a game, whether you're using it for an early mana advantage, as a combat trick (offensively or defensively), or as a source of extra damage to close out a game
It can eventually become unblockable of course, but paying 4 to make your 1/1 unblockable is going to feel really bad sometimes, especially because the Thief is so darn easy to kill
With everything considered, I now present you the best artifact in Sorcery: 1