It seems that, while there are not a great number in existence, their numbers remain fixed due to one's power transferring to an eligible human before death
At the time it was the most expensive Pokemon card in history.
$1.29 Quick Sliver Legions $1.29 Crypt Sliver Legions $3.49 Diffusion Sliver 2015 Core Set $2.99 Spiteful Sliver Modern Horizons $0.99 Winged Sliver Tempest $0.79 Sentinel Sliver 2014 Core Set $0.79 Leeching Sliver 2015 Core Set $0.69 Predatory Sliver 2014 Core Set $0.39 Striking Sliver 2014 Core Set $0.49 Lavabelly Sliver Modern Horizons $0.35 Dregscape Sliver Modern Horizons $1.49 Opaline Sliver Time Spiral 0 results found
Killian, Decisive Mentor leads Silverquill
The size of the blanks are about 4x my original blanks (as in, twice as wide & twice as high = 4x scale) , or about the same size as both Pokmon TCG Onlines cards as well as Aschefields SwSh blanks
An early-game 3/3 flyer will almost always find at least one opponent defenseless in a multiplayer game, but we might need to provide her a bit of extra evasion or combat help if we want this to reliably trigger every turn