Being an instant lets you mess with Thassa's Oracle and Underworld Breach, and you can even threaten it as a rattlesnake: After you cast this and ruin the reanimator players plan, who wants to interact with their graveyard with this face-up, ready with flashback
The single-player challenges are designed purely to help players understand how the games elemental system works - which is similar to that of the Pokmon video game series - and give them a chance to use various cards found in the wider game, which is great for helping to develop your sense of play and on-the-spot thinking
Unlike Stone Fighting Energy, however, the damage reduction of V Guard Energy doesnt stack with additional copies of V Guard Energy attached to the same Pokmon
At least we know for sure the quantity released for the first six Pikachu cards, which makes them easier to rank on this list
Mulligan You want a starting hand with some low-cost characters for turns 1 and 2, and ideally a few Heros and Hero-buffing cards