Whenever a creature dies, put a +1/+1 counter on equipped creature. If equipped creature is a Vampire, put two +1/+1 counters on it instead.
Equip
Lands you control have ": Add one mana of any color to your mana pool."
: Add one mana of any color to your mana pool.
Equipped creature gets +1/+0 for each of its colors.
Multikicker (You may pay an additional any number of times as you cast this spell.)
Choose target creature or player, then choose another target creature or player for each time Comet Storm was kicked. Comet Storm deals X damage to each of them.
Each player sacrifices five lands. Destructive Force deals 5 damage to each creature.
As an additional cost to cast Devastating Summons, sacrifice X lands.
Put two X/X red Elemental creature tokens onto the battlefield.
Counter target creature spell. Essence Backlash deals damage equal to that spell's power to its controller.
G
(: Add or to your mana pool.)
As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, Hallowed Fountain enters the battlefield tapped.
: Add to your mana pool.
: Inkmoth Nexus becomes a 1/1 Blinkmoth artifact creature with flying and infect until end of turn. It's still a land. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
U
, : Target player puts the top X cards of his or her library into his or her graveyard, where X is the number of cards in that player's graveyard.
As an additional cost to cast Magma Rift, sacrifice a land.
Magma Rift deals 5 damage to target creature.
At the beginning of each upkeep, Magmatic Force deals 3 damage to target creature or player.
Malignus's power and toughness are each equal to half the highest life total among your opponents, rounded up.
Damage that would be dealt by Malignus can't be prevented.
R
: Add to your mana pool. Spend this mana only to cast Myr spells or activate abilities of Myr.
, : Return target Myr card from your graveyard to your hand.
W
Scourge of Geier Reach gets +1/+1 for each creature your opponents control.
All creatures get -1/-1 until end of turn.
Enchant land
When Spreading Seas enters the battlefield, draw a card.
Enchanted land is an Island.
Stone Idol Trap costs less to cast for each attacking creature.
Put a 6/12 colorless Construct artifact creature token with trample onto the battlefield. Exile it at the beginning of your next end step.
B
Reveal the top four cards of your library. Put a creature card from among them into your hand and the rest into your graveyard.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Destroy target artifact or land. Its controller loses 1 life.
: Add 
or 
to your mana pool.)