Spiral of Potential and Convergence (AO3-083) [Alice Origin III]

[Quickcast] If this is the second card you play this turn, you may pay R less to play this card. If this is the third card you play this turn, you may pay U less to play this card. If this is the fourth card you play this turn, you may pay RU less to play this card. If you have [Passion], this card gains "Look at the top four cards of your deck. Put a card from among them into your hand and the rest on the bottom of your deck in any order." If you have [Calmness], this card gains "Copy target chant spell you control. You may choose new targets for the copy."