Sort by:
{T}: Add {C}.
{T}, Sacrifice this land: Put your commander into your hand from the command zone.
'({T}: Add {G} or {W}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.
'This land enters tapped unless you have two or more opponents.
{T}: Add {R} or {G}.
'Creatures you control have haste.
Creatures your opponents control enter tapped.
'{T}: Add {C}.
{1}, {T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
This land can't be blocked.
{T}: Add {C}.
{4}, {T}: Two target creatures you control that share a creature type can't be blocked this turn.
'First strike, haste Symphony of Pain — Whenever you cast a spell from anywhere other than your hand, this creature deals damage equal to that spell's mana value to target...
'Creatures you control have haste.
Creatures your opponents control enter tapped.
'{T}: Add {C}.
{1}, {T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
'When an opponent casts a creature spell with flying, if this permanent is an enchantment, it becomes a 3/5 Spider creature with reach. (It can block creatures with flying.)
'({T}: Add {R}, {G}, or {W}.)
This land enters tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)
'Investigate. If this spell was cast from a graveyard, investigate twice instead. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")
Flashback {3}{U}