{T}: Add {R} or {G}. {4}{R}{G}: This artifact becomes a 4/4 red and green Dragon artifact creature with flying until end of turn.

{T}: Add {R} or {G}. {R}{G}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {R} or {G}. {R}{G}: This artifact becomes a 3/2 red and green Beast artifact creature with trample until end of turn.

{T}: Add {R} or {G}. {R/G}{R/G}{R/G}{R/G}, {T}, Sacrifice this artifact: Draw two cards.

{1}, {T}: Add {R}{G}.

This land enters tapped unless a player has 13 or less life. {T}: Add {R} or {G}.

This land enters tapped. When this land enters, it deals 1 damage to target opponent. {T}: Add {R} or {G}.

({T}: Add {R} or {G}.) This land enters tapped unless you control two or more basic lands.

As this land enters, you may reveal a Mountain or Forest card from your hand. If you don't, this land enters tapped. {T}: Add {R} or {G}.

This land enters tapped. {T}: Add {R}. {3}{R}{G}{G}, {T}, Sacrifice this land: Destroy target land. Create a 4/4 green Troll Warrior creature token with trample.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {R}{G}.

({T}: Add {R} or {G}.) This land enters tapped.

{T}: Add {C}. {T}: Add {R} or {G}. This land deals 1 damage to you.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {R} or {G}.

{1}, {T}: Add {R}{G}.

This land enters tapped. {T}: Add {R} or {G}. {2}{R}{G}, {T}, Sacrifice this land: Draw a card.

This land enters tapped. {T}: Add {R} or {G}. {2}{R}{G}: Until end of turn, this land becomes a 3/3 red and green Elemental creature with "Whenever this creature attacks, put a +1/+1 counter on it." It's still a land.

This land enters tapped. {T}: Add {R} or {G}. {2}{R}{G}: This land becomes a 3/4 red and green Dinosaur creature until end of turn. It's still a land. Whenever this land attacks, another target attacking creature gets +2/+0 until end of turn. Untap that creature.

This land enters tapped unless you control a Mountain or a Forest. {T}: Add {R} or {G}.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {R} or {G}.

({T}: Add {R} or {G}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

This land enters tapped. Indestructible {T}: Add {R} or {G}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {R} or {G}.