You won't find many artworks featuring Wally in the Pokemon TCG, so this is a must-have if you're a fan of the trainer, as there won't be many other options to choose from
Once per turn, if your opponent activates a card or effect in response to your Spell or Trap Card (Quick Effect): Negate that activation, and if you do, destroy that card
The design space for this mechanic was much more limiting than cycling, because there were a lot fewer spell effects/creatures that naturally connected with the granting of +1/+1 counters
If you control a commander as you cast this spell, you may choose both instead
With massive dinosaurs, multiplying dinosaurs and even more dinosaurs, theres something to discover for every playstyle in The Lost Caverns of Ixalan