It is just a sorcery, so you cant do it in response to anything, but it is uncounterable, meaning youre almost always going to be drawing cards and getting free creatures
Aristocrat decks care about generating lots of tokens, like creatures and artifacts, and then sacrificing them for multiple effects
If you have a creature with madness, like Reckless Wurm, not only can you cast it for the cheaper Madness cost, but Chainer then allows you to cast another creature from your graveyard both with haste
But even still, I cannot be the only one who thinks this card has what it takes to make the cut at your next kitchen table night, right
Players also have the ability to decide how aggressive or defensive they want the CPU to be