I am unfamiliar with the exact count of blue cards required to be in your deck to consistently be able to cast Force of Negation Turn 1, but adjustments could be made if necessary
When the mana is available Deed also finds its way into control decks, giving Oath of Druids players a way out of almost any jam while often leaving their chosen creature intact, and in the old days serving as an unexpected Tutor target that could turn the game around out of nowhere
Crucible of Worlds never stays down, and is at home in countless EDH decks, especially those that like landfall
He has an end step trigger that deals damage equal to his power if you played a land or cast a spell from anywhere other than your hand
Delayed Blast Fireball is an interesting take on foretell because you get the enhanced spell if you cast it from exile, regardless of whether it was foretold or not
If there's a cost associated with having each of those creatures block, its controller isn't forced to pay the cost, so they don't have to block in that case either