Even if Samurai's Katana costs 5 mana to reattach it to something else, leaving the equipment behind is an entirely free bonus on whats already a strong creature
It also has this big old chunk of text on it, Whenever a land enters the battlefield under your control, you gain 4 life if this is the first time this ability has resolved this turn
These small pieces of art, often featuring sports stars, pop culture icons, or even custom designs, hold a unique charm
[1] It was illustrated by Atsuko Nishida, one of Pikachus original creators, and only 39 copies are believed to exist, making it the rarest and most expensive Pokmon card in existence
Lignify was reprinted for LTC , and there was quite a gap between it and Altar of the Goyf from Modern Horizons 2