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({T}: Add {B} or {G}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.
Other creatures you control enter with an additional +1/+1 counter on them.
As this land enters, you may reveal a Mountain or Plains card from your hand. If you don't, this land enters tapped.
{T}: Add {R} or {W}.
Reach (This creature can block creatures with flying.)
Tap target creature and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Draw a card.
({T}: Add {B} or {R}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.
'When this creature enters, you draw a card and you lose 1 life.
Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.) This artifact enters with a charge counter on it for each time it...
{T}: Add {C}.
{T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.
{T}: Add {C}.
{1}{U}, {T}: Put target artifact card from your graveyard on top of your library.
This land enters tapped unless you control a Plains or an Island.
{T}: Add {W} or {U}.
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 {G} or...