Just carry on playing your Krenkos and generating an enormous horde, and General Kreat will blast all your opponents to death
Other paths to victory might set you on a path to mill your opponents out, while others might combo them into oblivion
That's a ton for 3 mana
Its creepy, unsettling, referential, and has a cool graveyard mechanic
As you go through this list you'll see an impressive array of spells that you'd be happy to play, but most of the creatures that are still interesting are either recent additions or more than just a regular creature
Sure, they might be able to put them back into a players hand from the battlefield or turn them into Islands, but mono-blue card effects just didnt let you search your deck for them, let alone place them on the battlefield