Casimir Perpetual Silence

0: Target creature is unable to block, target creature is unable to attack, target creature is unable to activate abilities until your next turn.
0: Target player is unable to cast instants except on their turn, until the start of your next turn.
-5: Phase Casimir Perpetual Silence and end your turn, until your next turn, players discard instead of drawing cards. Activate on your upkeep.