Sneak Attack is second best in this category as the upgrades can be a bit more expensive, but its a joy to play and a fantastic stocking stuffer
To me at least I wouldn't necessarily base a deck around this card, I would definitely take a look at Vileplume to see if it is better but I would use Bellossom in the deck to heal my other Pokemon, I would include many Pokemon in this deck with low retreat costs that way if they get damage on them I could retreat them for free or one energy card maximum and move in Bellossom and then remove 10 damage from all my damaged benched Pokemon
When to Consider Paid Features While the core experience is free, many simulators offer ways for you to support them, which often comes with added benefits
The most recent set, Obsidian Flames, for example, leaned so heavily on Charizard, that, despite having some other great cards, it struggled to take off, and Master Sets have been selling for under $500