It is also played in Aristocrats decks as a cheaper (money-wise) version of Grave PactGrave Pact
Although Yuffie enters attacking when its ninjutsu ability resolves, it was never declared as an attacking creature (for purposes of abilities that trigger whenever a creature attacks, for example)
It can manifest in subtler ways too, however, as it has here in Bloomburrow
Creature - Wurm Phyrexian Color tag templates(None) Duskshell Crawler When this creature enters, put a +1/+1 counter on target creature
The simplicity of the flavor text on Goblin Offensive is just pure art
1 Tergrid, God of Fright A stellar commander who is arguably one of the strongest new commanders printed in 2021, Tergrid, God of Fright effectively allows every permanent discarded by an opponent to be stolen by Tergrid's controller