The other 70% just reorder the existing top 3-4 strategies
The thing that places them so high on the list though, is that you can then pay seven mana, one of which has to White, Blue, Black, Red, and Green, to exile the top three cards of your library, and you can then play them without paying their mana costs
Creature Phyrexian Horror Common Stephan Martiniere 2/2 LEGAL Standard LEGAL Future LEGAL Historic LEGAL Timeless LEGAL Gladiator LEGAL Pioneer LEGAL Explorer LEGAL Modern LEGAL Legacy LEGAL Pauper LEGAL Vintage LEGAL Penny LEGAL Commander LEGAL Oathbreaker LEGAL Standardbrawl LEGAL Brawl NOT LEGAL Alchemy LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool LEGAL Premodern LEGAL Predh When this creature enters, you draw a card and you lose 1 life.
You also get way more effects triggered by your creatures dying
Draw X for X life at instant speed is awesome and definitely better than the next card on the list