Your search for "Vaultguard Trooper 166" revealed the following:
Vaultguard Trooper (EOE) from Edge of Eternities, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: David Palumbo Card Text:At the beginning of your end step, if you control two or more tapped creatures, you may discard your hand....
Vaultguard Trooper (Foil) (EOE) from Edge of Eternities, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: David Palumbo Card Text:At the beginning of your end step, if you control two or more tapped creatures, you may discard your...