CardName: Power of One
Cost: 1R
Type: Instant
Pow/Tgh: /
Rules Text: Target creature gets +X/+X and haste until end of turn,
where X is equal to your reputation. (Your reputation is
equal to the number of legendary permanents you control.)
Flavour Text:
Set/Rarity: Planescape Uncommon
Power of One
U
Instant
Target creature gets +X/+X and haste until end of turn, where X is equal to your reputation. (Your reputation is equal to the number of legendary permanents you control.)
Simplified to just be based on reputation.