Crystal Transcendence (SGX1-ENS06) - Speed Duel GX: Duel Academy Box 1st Edition

You can only Summon/Set "Crystal" monsters and Dragon monsters while this Skill is face-up. Once per turn, during your Main Phase, you can send up to 3 cards from your hand to your GY, then choose that many "Crystal Beast" monster(s) with different names from your Deck and place them in your Spell & Trap Zone as Continuous Spell Card(s). This Skill can be used twice per Duel.