Any effect that can tap a permanent, or specifically an artifact, can tap an equipment, whether it's attached or unattached
Through trial and error we've learned that not only do thresholds have a sweet spot, but also that one number tends to provide plenty of interaction
Black Rob Lucci: Jack & Whos Who Jack (OP08-084) became an instant staple in Rob Lucci decks, providing top-end removal and board control that black strategies lacked
Spectacular Spider-Man is friendly neighbourhood Earth-616 webslinger we know and love, and takes the form of a mono-white legendary creature that can protect the rest of your board
A common rule is that the front must be within 55/45 for PSA 10s and 60/40 for a PSA 9 ggwpacademy.com
With tribal decks, there are often plenty of opportunities for cards that boost every other creature of that type