Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.) How much does Reckless Stormseeker // Storm-Charged Slasher cost
This card was originally given to winners of promo contests held by Japanese magazine CoroCoro Comic in the late 90s
We back them up with artifact removal like Braided Net, Perilous Snare, White Auracite, and Spring-Loaded Sawblades
Thats where the Squirt Bottle fits in
While it may only have 700 ATK on the field, it forces Level 4 monsters to have at least 1900 ATK, Level 5 to have at least 2200, and so forth in order for your opponent to be able to destroy it in battle
Likewise, it also works really well in counters decks (like my Hamza, Guardian of Arashin deck), as the cost to prevent your draw will increase as Esper Sentinel gets bigger and bigger, easily making it more costly to pay for than even Rhystic Study