Boara, Incredible Life

Team with Birda, Incredible Speed and Worma, Incredible Insight
Whenever a creature you control deals combat
damage to a player or a permanent a player
controls, if that creature had lifelink you may pay {1}{x} if you do gain X life to a maximum of 3.
There is no maximum if you also control Birda, Incredible Speed and Worma, Incredible Insight.