The most common method is to simply run them dry of hit points, followed by milling their entire libraries, but perhaps the most insidious path to victory involves one of the oldest counters in the game's decades-long history: poison
The fact that the second card is so loosely restricted, and Force is so universal (and technically hard-castable) makes it playable in any fair blue deck, and so gives a large portion of the format the necessary panic button to discourage super-aggressive combo
The biggest downside to this card is the cost, when can set you back upwards of $240 for a copy of this card.
Its a powerful mechanic on its own that requires very little setup to be good, but once you have these mighty pieces in play, the skys the limit
With minimal effort you can create several infinite combos with his token generation ability, drawing tons of cards and quickly amassing an army
MTGs Walking Dead cards still have an air of controversy surrounding them