Trolley Problem

Play this card only during an opponents declare attackers step.
You create 5 1/1 colourless Stranger creature tokens.
The opponent who's turn it is creates a 4/1
colourless Trolley creature token with haste and
trample.
Another target opponent creates a 0/1 colourless
Baby token.
The opponent who's turn it is may reselect their attackers.