binding of isaac the sun card game is over half off ahead of Prime Day and over 10 years since the last print run How does Isaac know so

The Agent of Miracles - Jupiter X LIGHT Level 4 [ FairyEffect ] ATK 1800 DEF 1000 Once per turn: You can banish 1 "The Agent" monster from your GY, then target 1 LIGHT Fairy monster you control

While that's not the most terrible idea, the likelihood in a Niv-Mizzet deck is that the other spell you're casting is a burn spell that could do the same, and I have to feel that you're going to be better off casting it by itself, rather than putting all your eggs in one basket

No taking your case off

This might not matter in 99.9% of cases, but the 0.1% of the time where you want to cast it on a Thassa's Oracle trigger against a player with an Esper Sentinel to make them deck themselves, it will matter a lot

None of the abilities on this card are new, but you also don't see this sort of effect on mono-red cards