Unfathomable Mastery

Choose X+1 modes:
- Gain control of target coloured instant, sorcery or aura spell. Choose new targets.
- Each player exiles X coloured permanents they own then draws X cards.
- Exile all creatures with power X or less.
- Each opponent exiles X cards from their hand, top of library and graveyard. Until end of turn if a card would be exiled, shuffle it into it's owner's library instead.