Though he suffers from low Strength, being able to give all of your characters Resist +1 and being untouchable by removal or a lot of damage cards is big
1 Savage Twister
I love the commitment here to the same register of blue in the sky and the water, which can be an oppressive sameness usually avoided in the color schemes of Island artists, who tend toward teal/green versus sapphire/lapis or Paynes grey versus ultramarine
If that's what you're playing, however, this is a very attractive option, allowing you to play a burn style strategy and push loads of extra damage through
You wont play against it much, but a turn-3 Vial Smasher is terrifying
If youre unfamiliar with Sinistchas Pokedex entry, it notes that Sinistcha pretends to be tea, trying to fool people into drinking it so it can drain their life-force which makes the artwork for this card potentially disturbing, showing the Pokemon hiding and watching a Trainer