LeviYellow

[During Your Turn] This character gains 1000 BP.[Activate: Main] [Pay 1 AP] You can only activate this ability if you have four or more yellow characters without [Rumbling] affinity whose card names are unique on your field. Choose {one} of the abilities listed below. You may place one card from your hand into your sideline. If you do, {two} instead. You can only activate this <Levi> ability one time each turn.・Switch this character to active.・This character gains [Double Attack] (When this character attacks for the first time this turn, switch it to active) until the end of the turn.