ninja yugioh deck Unleash The Power Of Yu-Gi-Oh! Duel Links' Newest Lady Ninja Yae Price &

This is weird perhaps the most obvious use for the Transform keyword would be cards based on the Autobots and Decepticons from the Transformers universe, right

These cards are often given out at organized play events, trade shows, conventions, or as part of specialty products

As for that card in the deck, Im not sure if the ability of Thoughtseize to be a discard outlet is more important than Spell Pierce eating their turn, but I would lean towards the latter due to the speed of this deck making the Time Walk that much more relevant

Nuka-Cola Vending Machine's last ability triggers whenever you sacrifice a Food for any reason, not just to activate a Food's activated ability