binder index cards 200 Count 3x5 Inch Lined & Blank With Rings and spills Clinical Nursing 4x6 Index Card

When upgraded to level 2 by paying theres a passive ability that triggers whenever you gain life

Luffy EB02-010 Promo Card stands as a singular cultural artifact, born from the unprecedented collaboration between One Piece , Toei Animation, and the Los Angeles Dodgers to celebrate One Piece Night at Dodger Stadium (July 3, 2025)

Updated by Paul DiSalvo on October 24, 2022: Black decks have access to a notably high number of incredible utility lands

It's at its best when stacking buffs onto an individual creature but can leave itself open to retaliation if those creatures are removed

My speculations are similar to yours @hyruleguardian in that the grey stamps (and thus the back stamps) happened before sheets were cut/ cards were packaged