Wizards has so far refused to comment on how likely the card will be to grant its buyer superpowers
Example: This is one reason Grixis Deaths Shadow is so great: you can use your mana on Turn 1 to Inquisition of Kozilek and then Serum Visions on Turn 2
As a result of this, it is very easy to draft a functional aggressive deck that feels like it has a cohesive plan, and that is really rewarding to newer drafters, while because of their design, they present very interesting sequencing decisions, which results in them being easier to draft, but harder to pilot
If you re-equip the Scythe to another creature, then the Hero token creature will cease being an assassin, and the new creature becomes an assassin
This lets any creature come down swinging with double power right away, which could very easily be a 24-power Ghalta, Primal Hunger, or worse
This deck will obviously stay at the top of the Metagame