Thats both in seeing iconic scenes from the movie represented by notable cards that align perfectly (such as, the card Dismember depicting the Black Knight), but also in a few Magic jokes that use the language of Monty Python instead
Colorless Options If you are looking for more options, especially in blue, black or red, there are a lot of colorless artifacts that can assist
Costing just three mana, it is the one that you hard-cast the most often in fact, you will be hardcasting Endurance most of the time, and only pitching it when its very necessary to do so
Any number of target opponents each sacrifice a creature with the greatest power among creatures that player controls and lose 3 life
While it can't drink yet, hopefully it'll be voting come November 5th
If the entering green creature dies before Yorvo's triggered ability resolves, use its power as it last existed on the battlefield to determine whether Yorvo gets a second +1/+1 counter