Banning it alongside Monstrous Rage is probably the better decision than banning Manifold Mouse if the intent was indeed to slow things down
As such, Im gonna start there
Aside from the diversions of dealing with intruding adventurers, his time was spent chiefly in sleeping and experimenting with fire magic
This turns the deck more from a sacrificing and destroying-focused amass strategy into a spellslinging one, with Saruman amassing every time you cast a noncreature spell
It's weak against Electric attacks, just like other Flying types, but it's got amazing HP, Attack and Speed stats
When a Siege is defeated, it is exiled, and its owner gets to play the reverse side (which could be a Creature, Artifact, or some other MTG card type) for free at Instant speed.