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.
I love this mechanic in terms of lore and flavour, but in terms of gameplay it feels a bit off
They have a long history and development going back to the Onslaught MTG set
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
MTGs Walking Dead cards still have an air of controversy surrounding them