Your removal and draw suites let you outlast both, with Terror in particular lacking a deep enough threat pool to really oppose you
Sure, you can easily whiff and hit lands or spells that aren't useful (Counterspell, Comet Storm, etc.) but generally speaking this ability is going to be well worth using
It is a huge mana sink, but with infinite mana or a large amount of it, you mostly guarantee a loss of life enough to kill the table after they run out of permanents
Put target creature on the bottom of its owner's library
Let our blood be their mulch, our flesh their soil. Victor, Valgavoths seneschal Illustrated by Deruchenko Alexander Standard Legal Alchemy Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
That's likely due to Tolkien's high-fantasy world being so similar that one could imagine Middle-earth as just another of Magic's many planes