Tigrex

{w}{w}{w}{t}; Select three creatures your opponent controls. Those creatures become tapped until the end of your turn.
{w}{w}{w}{w}; Tigrex gains Flying until the beginning of your next turn. Tigrex cannot attack while it has Flying.
{w}{w}{r}{r}; Tigrex gains +2/+2 and has First Strike and Trample until the end of your turn.
It can crush you with its forelegs, crush you with its jaws... Even its roar can crush you.