Really Good Deckbuilder

Commander creatures you own have “At
the beginning of your upkeep, search your
library for a permanent card, and put it on
the the battlefield. Then search your library
for an instant or sorcery card and exile it.
You may cast it without paying its mana
cost for as long as it remains exiled. Your
opponents may pay a total of X life to
counter this effect, where X is the number
of opponents you have times 7.”