One of the latter cards was among the first options that players seriously considered as an option to win in time, as it was also a handtrap that could be used going second
Lord of the Forsaken If you have a Chainer, Nightmare Adept or Muldrotha, the Gravetide deck, chances are you already have this card on your shortlist
You've also got ninjutsu, which lets you swap an unblocked creature with a ninja for a cost, and can be a lot of fun to play with, but mostly in casual formats
Did your Esper Sentinel get countered or destroyed
Its only legal in Vintage, Legacy, and Commander, but not in Modern, which means well probably never know how it would hold up against some of the others