Instead of needing to rely on having another card in your hand to benefit from losing life, Greven itself receives a direct buff from any life lost
Easy peelandstick application for smooth placement
If you do, create a Treasure token
While not as limited as trophy cards, its combination of nostalgia, demand, and condition scarcity drives its immense value
They already have Scarr btw SR13-JP002 Ankokukai no Monban Genta (Genta, Gatekeeper of Dark World) / Genta, Gateman of Dark World DARK Fiend / Effect LV4 1000/1800 You can only Special Summon Genta, Gatekeeper of Dark World(s) once per turn
The first is pumping out zombies upon landfall, and while paying is far different from the land, Field of the Dead, the effect is the same and consistently coming from your command zone