Irisviel - Vessel of the Holy Grail (FZ/S17-E008S SR) [Fate/Zero]

[AUTO] When this card attacks, choose up to two of your other {Servant} characters, and those characters get +1 soul until end of turn. [AUTO][Clock] Shift, Level 2 (At the beginning of your main phase, you may choose a yellow card in your hand and this card in your clock, and exchange them.)