If you attack with only Cloud, you get one card draw, but if you attack with 5 equipped creatures, for example, you draw five cards, which could help you obtain your win-cons or, perhaps, more lands in Magic: The Gathering
Then for stuff we cut for being off-theme, And They Shall Know No FearAnd They Shall Know No Fear was the easiest cut
At the same time, the sleeves remain slim and flexible, so shuffling and drawing cards feels natural and smooth even in longer game sessions
So powerful, in fact, that an entire deck built around the card Fires of Yavimaya from 2000s Invasion set absolutely dominated the Standard metagame for quite a while after its release
Number 17: Leviathan Dragon is a 2000 ATK Rank 3 monster that requires any two Level 3 monsters as Xyz Materials for its Xyz Summon, and has a detach effect that permanently increases its ATK by 500