Landing a Gengar, Pikachu, or Charizard SAR returns multiples of the box cost in a single card
On the other hand, it's held back a bit by being a stax piece that lets opponents choose which phase they're least likely to miss that turn
This actually allows your deck to focus on a different Energy type, with maybe 4 or 5 Water Energy included in case Quaquaval needs to attack, since it can cover the 2 Colorless cost with anything
Theres currently 52 legendary creatures that are also enchantments, be that on their front or flip side, and with the newly previewed front side Preator, back side Saga cards that list is about to expand
Ob Nixilis, Captive Kingpin + All Will Be One Technically, you need a third card to deal exactly 1 damage to your opponent, perhaps a Cauldron Familiar trigger or a Spikefield Hazard to your opponent's face