Starting your turn with a Goblin in play (or bringing one back with Book of Life) and summoning Diva allows you to make two level 6 synchros, one of them being Brionac that discards Mezuki and brings back Goblin, and still be up a card

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inflict damage to your opponent equal to half the Tributed monsters ATK on the field
Cold Blue's resistance to emotion makes it metaphorically the coldest, and this thematic connection carries over to its magic
A deck tuned to playing locations early could make very good use of this, even just as a way to draw for an inkable card
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