This X-spell is a great way to finish out a long game or generate enough value to end it soon
A lot of myrs are also mana dorks, which means the typal strategy for this myr commander also helps as support for a MLD strategy
Well be drawing a decent amount of cards, but if its a 1:1 replacement, were still going to run out of steam
If youre able to activate its buff multiple times in a turn, you can make your wide board state much more threatening
Likewise, a spell with suspend will also stay in exile if you cant cast it for some other reason (like youve been Silenced, for example)
The unkicked version of Tear Asunder doesnt have an exact equivalent but its quite similar to Deglamer, a cheap enchantment and artifact killer that can remove indestructible gods and prevent graveyard recursion