Magellanica, the Deep Sea City (MP21-EN141) - 2021 Tin of Ancient Battles 1st Edition

(This card's name is always treated as "Umi".)
When this card is activated: You can place 1 WATER monster from your Deck on top of your Deck. Once per turn: You can target 1 WATER monster you control; increase its Level by 1 or 2 until the end of this turn (even if this card leaves the field). Once per turn, during your Main Phase, if you Special Summon a WATER Synchro Monster: You can look at your opponent's hand, and if you do, banish 1 card from it face-up until the End Phase.