Twiddle
Eighth Edition — common
Instant
Twiddle rulings:
2004-10-04: This is not a toggle effect. If you use Twiddle to tap a card and before it takes effect your opponent taps it, Twiddle will not automatically untap the card.
2004-10-04: The decision whether or not to tap or untap is made on resolution. This is not a modal spell.