Magic The Gathering Cards of types 'Urza's' and 'Land'

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. {3}, {T}, Sacrifice this land: Search your library for a land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {7}, {T}: Create a 2/2 colorless Assembly-Worker artifact creature token.

{T}: Add {C}. {T}: Add {{infinity}}. Activate only once and only if you control an Urza's Mine, an Urza's Power-Plant, and an Urza's Tower. {7}, {T}: Head to AskUrza.com and click Urza's Fun House.

{T}: Add {C}. Metalcraft - {T}: Add {C} for each Urza's land you control. Activate only if you control three or more artifacts.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

Hexproof from red {T}: Add {C}. {7}, {T}: Create two Food tokens named Hot Dog. Whenever you sacrifice a Hot Dog, create a Treasure token. Food Crew 2 (Tap two Foods you control: This Vehicle becomes an artifact creature until end of turn.)