3/1 Illustrated by Greg Staples
Some would call this "card advantage" or just straight up "card draw" but I think the concept is a lot more nuanced than that
While it could use some protection (enter Temple Altisaur), being able to discover X once per turn based on the toughness of a Dino entering the battlefield is a huge play, and one that can snowball into an easy victory if your deck is stacked the right way
There are 7 retro frame MH3 commons (30.7%), 12 retro frame MH3 uncommons (31.6%), 4 retro frame MH3 new-to-Modern uncommons (10.5%), 2 retro frame commons (8.8%), and 6 retro frame uncommons of cards that first appeared in Modern Horizons or Modern Horizons 2 (15.8%)
Its a decent enchantment at five mana to start taxing your opponents, and its really strong in pox/discard-based Commander decks with commanders like Tinybones, Trinket Thief
The Future Unfortunately, trying to predict the future of MTG spikes is always difficult, and Eye of Nidhogg doesnt make things any easier