It buffs both while also digging through your deck whenever it taps
Normally, spells like Thrill of Possibility or Magmatic Insight are balanced with the additional cost
If you had enough mana then you could technically activate monstrosity multiple times before the first one resolves
Thats not all it does, though, so to find out more, lets look at a version with more reminder text
For this reason, a smart buyer checks three things before reacting to a price: whether comparable sales exist, whether the exact Japanese card number matches, and whether condition photos support the asking price
Side by side, the texture on a Japanese special art rare often feels deeper and more detailed