Flipping Clive gets you a 9/9 that fights a creature right away, for example, while flipping Sephiroth gets you a Blood Artist Emblem
When x happens, draw a card seems to make up a large portion of many recent staples, and more and more legendary creatures with a built in card draw engine get printed and played, so having your opponents discard down to 6 instead of 7 can be a great way to slow down their game plan
I highly recommend starting with one of these: Solemn SimulacrumSolemn Simulacrum, Skyclave ApparitionSkyclave Apparition, and Whirler VirtuosoWhirler Virtuoso
Pair up with other cards on this list to get to 30 artifacts fast
However, the reward for triggering Imotekh is substantial enough that going infinite may be fine as a backup plan to large-but-finite beatdowns, ala Bridge from Below
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