Flood Beam is a legendary major card out of the New mechanic pool. Aether Beam becomes a 4.8 u wide, 6 u long wave of light at 75% damage that shoves.

You can take it once · it only turns up when your Main ability can actually use it · it can be offered for 0 of the 34 abilities.

Only one card can reshape that ability this way — this one, or Prism and Lance Beam. Take one and the rest are gone for the run.