mtg card vault Fomori (Showcase) [Outlaws of Thunder Junction: The Big Score] edition set contains fifteen transforming Magic Overseer of Vault 76 (PIP)

Since it puts three Human tokens onto the battlefield, it can cause your other cards' abilities to trigger three times at once

Darksteel Pendant and Crystal Ball are not good enough in my opinion and are too much of a resource investment unless there is some sort of artifact strategy I am missing

Harvest or collect information about Site(s) users

However, seven ink is a steep cost, especially since many Limited decks prefer to stop at five ink

Force of Negation Force of Negation is discussed at length here, but the short version is that it looks like a very solid Negate variant that happens to be especially attractive for combating fast combo decks