Spore Burst makes 1/1 Saprolings
Tianas Special Reservation ability puts your opponents ink resources under pressure if theyre looking to take a swing at your characters
If there's a cost associated with having that creature attack its player, you aren't forced to pay that cost, so it may attack another player, attack a planeswalker an opponent controls, or not attack at all.
Everything considered, the Stitch Collector's Gift Set is the best gift set Ravensburger and Disney Lorcana have released thus far

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Be careful, as some opponents might reuse their enter-the-battlefield abilities, such as Kefka's