Loss of Observational Waves, Da Vinci & Romani

【AUTO】 At the beginning of your climax phase, choose 1 of your 《Chaldea》 or 《Babylonia》 characters, and that character gets +1000 power until end of turn.【AUTO】 【CXCOMBO】 When "Chaldea Support" is placed on your climax area, reveal the top card of your deck. If that card is a 《Chaldea》 or 《Babylonia》 character, put 2 cards from the top of your deck into your waiting room, choose up to 1 level X or lower 《Chaldea》 or 《Babylonia》 character in your waiting room, and return it to your hand. X is equal to the total level of the cards put into your waiting room by this effect. (Otherwise, return it to its original place. Climax are regarded as level 0)