In bad sets with lots of bulk rares, on the other hand, the best cards become more untethered from sealed box prices because it makes less financial sense for dealers to crack packs for singles
The main ones you're looking for are the 'Karn-struct' Construct tokens that get +1/+1 for each artifact you control
With both of these creatures, attacking opponents with large board states shouldnt pose much of a problem
MPL pros threw a straightforward Omnath shell together on day one of Zendikar Rising, and that list proceeded to run roughshod over tournaments with very little refinement until it was eventually banned
A few of these cards so far have been leaked with amazing art like the new Green Sun's Twilight card
Surrak and Goreclaw give all your creatures trample, and whenever another nontoken creature hits the battlefield, it gets bigger and gets haste