Acorn

Silver-bordered cards are not tournament-legal and are not covered by the comprehensive rules.

Printings

Usually silver-bordered cards are printed in Un-sets (Unglued, Unhinged, and Unstable). However certain promos like the Holiday cards and the HASCON promos also use a silver border.

Mechanics

They feature mechanics that would be impossible to print in a normal expansion.

Rules

From the glossary of the Comprehensive Rules (June 7, 2024—Modern Horizons 3)

Silver-Bordered

Cards in certain sets and certain promotional cards are printed with a silver border. Silver-bordered cards are intended for casual play and may have features and text that aren’t covered by these rules.

Tokens

Token Name	Color	Type Line	P/T	Text Box	Source	Printings
Ape	Green	Creature — Ape	1/1		Uktabi Kong
	Green	Creature — Ape	3/3		Side to Side
Beeble	Blue	Creature — Beeble	1/1		B.O.B. (Bevy of Beebles)
Contortionist	Blue	Creature — Octopus Performer	4/4	At the beginning of your upkeep, you may fold this token in half. (It becomes 2/2, then 1/1, ½ / ½, and so on.)	Octo Opus
Brainiac	Red	Creature — Brainiac	1/1		The Big Idea
Chicken	Red	Creature — Chicken	4/4		Chicken Egg
Construct	Colorless	Artifact Creature — Construct	X/X		Rapid Prototyper
Die	Green	Creature — Die	X/X		Pippa, Duchess of Dice
Dragon	Gold	Creature — Dragon	4/4	Flying	Sword of Dungeons & Dragons
Expansion-Symbol	Colorless	Creature — Expansion-Symbol	1/1		Symbol Status
Faerie Spy	Blue	Creature — Faerie Spy	1/1	Flying, haste Whenever this creature deals combat damage to a player, draw a card.	Faerie Aerie
Giant Teddy Bear	Pink	Creature — Giant Teddy Bear	5/5		Water Gun Balloon Game
Teddy Bear	Pink	Creature — Teddy Bear	2/2		Dart Throw Gift Shop Push Your Luck
Gnome	Colorless	Artifact Creature — Gnome	1/1		By Gnome Means Gnome-Ball Machine Gnome-Made Engine Very Cryptic Command
Goat	White	Creature — Goat	0/1		Everythingamajig
Goblin	Red	Creature — Goblin	1/1		Blast from the Past Box of Free-Range Goblins Garbage Elemental Gift Horse
Homunculus	Colorless	Creature — Homunculus	2/2		Handy Dandy Clone Machine
Rogue	Black	Creature — Rogue	2/2	Menace	Dispatch Dispensary Very Cryptic Command
Sheep	Green	Creature — Sheep	2/2		Flock of Rabid Sheep
Sketch	Colorless	Creature — Sketch	4/4	This creature has flying if it has wings in its art. The same is true for first strike and a sword, vigilance and a shield, menace and mean eyes, trample and horns, deathtouch and claws, lifelink and fangs, and haste and footwear.	D00-DL, Caricaturist
Squirrel	Green	Creature — Squirrel	1/1		Chittering Doom Earl of Squirrel Form of the Squirrel Squirrel Dealer Squirrel Farm Squirrel Stack Trendy Circus Pirate
Zombie Employee	Black	Creature — Zombie Employee	2/2		Night Shift of the Living Dead
A	Colorless	Artifact			Goblin Cruciverbalist
E	Colorless	Artifact			Goblin Cruciverbalist
I	Colorless	Artifact			Goblin Cruciverbalist
O	Colorless	Artifact			Goblin Cruciverbalist
U	Colorless	Artifact			Goblin Cruciverbalist