2 Level 10 monsters During your Main Phase, you can Normal Summon 1 Machine monster, in addition to your Normal Summon/Set (you can only gain this effect once per turn). You can only use each of the following effects of "Superdreadnought Rail Cannon Flying Launcher" once per turn. If this card is Xyz Summoned: You can add 1 EARTH Machine monster or 1 "Barrage Blast" from your Deck to your hand. You can detach any number of materials from this card, then target that many Spells/Traps on the field; destroy them.