To read more into the situation, its pretty probable that your opponent is planning to N you, so itd be nice to pull the N on them first, while you can still refresh decently off of it
Blue (U) seeks perfection through knowledge, and represents logic, caution, and deceit
It gains "If this land would leave the battlefield, exile it instead of putting it anywhere else." , , Sacrifice Realmbreaker: Search your library for any number of Praetor cards, put them onto the battlefield, then shuffle
Battles can be dealt damage and attacked, like planeswalkers, and damage to them causes that many defense counters to be removed
Beating em and joining em are both valid options, but ignoring em and hoping they go away is not