Different is luciferin =/= skeleteon = 2 diferrent cards luciferin =luciferin = same card. Example luciferin + skeleton +luciferin = 2 same cards and 1 different hence unacceptabe.
and wow this cards really favors a rainbow situation.
Also next round many of the teams are going to have to fight each other again instead of aether. war just got a lot for interesting. and on another note, war just got longer