Number 233 Language English Legal Formats Commander, Legacy, Modern, Pioneer, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Pauper, Standard, Timeless Rulings (6/22/2015) If an effect would set your life total to a specific number that's higher than your current life total, that effect would cause you to gain life equal to the difference
One of the best examples is in an Ephara, God of the Polis deck, where you can draw a card off Ephara and pay 1 to make a token, then next turn draw a card off Ephara from the token you made last turn, rinse repeat
With this in effect, an Elf deck will draw lots of cards, and that even includes creature tokens, not to mention enchantments
This one
Illustrated by Chris Seaman Standard Legal Alchemy Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp