2 Level 4 monsters Once per turn, you can also Xyz Summon "Argostars - Adventurous Arion" by using 1 "Argostars" monster you control (transfer its materials to this card). If this card is Xyz Summoned: You can add 1 "Argostars" Spell from your Deck to your hand. During the Standby Phase: You can detach 2 materials from this card; place up to 3 "Argostars" Continuous Traps from your GY, face-up in your Spell & Trap Zone. You can only use each effect of "Argostars - Adventurous Arion" once per turn.