The Shield Willed to Peace

Split Second. This spell cannot be copied.
You control target player during their next turn.
During that turn counter any triggered ability of permanents that player controls. At the beginning
of the end step of that turn you may choose a
creature that player controls. Gain control of that creature. Put a Defender counter on all creatures
that remain under that players control. Creatures cannot enter the battlefield under that players
control for the rest of the game. This spell cannot
be cast