Either way, Liliana's Contract is a solid card, allowing you to draw four cards and lose 4 life, and you can blink it too
Chaos Orb/Falling Star We're starting things off with a two-fer, and that's because these cards do basically the same thing
This gatling gun thing is from FFVII
That is a pretty simplistic method of power ranking, and while I appreciate that its at least able to be measured objectively (do you have these specific cards or not), it feels like not all of the Game Changers should be weighed equally
Andy Mangold one of the hosts of Lucky Paper Radio, a podcast about the cube format, takes a positive view of the tokens for cubing
Honestly, the best blue card I can think of against them is Tempest Djinn