Historical Rules · 10 June 2022
Rule 312.7
Official source text from the 10 June 2022 Rules release
Each vanguard card has a life modifier printed in its lower right corner. This is a number preceded by a plus sign, a number preceded by a minus sign, or a zero. This modifier is applied as the starting life total of the vanguard card’s owner (normally 20) to is determined. See rule 103.3.