Most knew of the tower's wizard and gargoyle. Few realized which was guardian and which was master.

Gargoyle Castle

{T}: Add {1} to your mana pool.\r
{5}, {T}, Sacrifice Gargoyle Castle: Put a 3/4 colorless Gargoyle artifact creature token with flying onto the battlefield.

{T}: Add {C}.
{5}, {T}, Sacrifice this land: Create a 3/4 colorless Gargoyle artifact creature token with flying.

{T}: Add {1} to your mana pool.
{5}, {T}, Sacrifice Gargoyle Castle: Put a 3/4 colorless Gargoyle artifact creature token with flying onto the battlefield.

Commander 2019

{T}: Add {C}.
{5}, {T}, Sacrifice Gargoyle Castle: Create a 3/4 colorless Gargoyle artifact creature token with flying.

Commander Anthology

{T}: Add {C} to your mana pool.
{5}, {T}, Sacrifice Gargoyle Castle: Create a 3/4 colorless Gargoyle artifact creature token with flying.