charizard 2007 pokemon card Rare Pearl Secret Wonders Reverse Holo #3 Card Pokemon: Charizard #3/132 D &

If defending player has no cards with the chosen name in their hand, they may reveal their hand

Its tough to say for sure if this Instant speed iteration of the effect is preferable over the sorcery speed ones like Reckless Impulse since those cards allow you to play the exiled cards until the end of your next turn

I really enjoy the fact that this commander triggers only once each turn

How about resetting it by blinking it off the board with a Restoration Angel or with +1/+1 counters

4/4 Nicol Bolas, the Arisen Color Indicator: Blue, Black, and Red Legendary Planeswalker Bolas +2: Draw two cards

If you don't use the ability, you cannot attack the turn you play the card