It does this by forcing each player to mill one card anytime they untap a permanent
Vanguard anime are shallow Yu-Gi-Oh
your opponent takes no damage until the end of the next turn after this card resolves, also, you look at your opponents hand and all monsters they control, and if you do, destroy the monsters among them with 1500 or more ATK, then your opponent can destroy up to 3 monsters with 1500 or more ATK in their Deck
Having her in a deck that excels at ramping up your usable ink will make that end-game phase even shorter while making your victory even closer
In conclusion, blue ramp cards serve multiple strategic purposes, from accelerating mana for high-cost spells to maintaining card advantage and control
Fusion Duplication X TRAP Target 1 "Fusion" or "Polymerization" Normal or Quick-Play Spell in either GY