Wasteland [Eternal Masters] Urza's Legacy where X is the number

where X is the number of lands you control

Set: Antiquities Type: Artifact Creature — Construct Rare Cost: {6} Triskelion enters the battlefield with three +1/+1 counters on it

{T}: Add {R} or {G}

Set: Mercadian Masques Type: Enchantment Rare Cost: {2}{G} Exile a creature you control: Add X mana of any one color

Set: Zendikar Expeditions Type: Land — Forest Plains Mythic Cost: ({T}: Add {G} or {W}

Wasteland [Eternal Masters] Urza's Legacy where X is the numberSet: Eternal Masters Type: Land Rare Cost: {T}: Add {C}. {T}, Sacrifice Wasteland: Destroy target nonbasic land. "The land promises nothing and keeps its promise." Oracle *en* Vec