Destroy all black creatures.

, Sacrifice a creature: Return target creature card from your graveyard to the battlefield. Activate only during your upkeep.

, : Put a charge counter on this artifact.
, Remove any number of charge counters from this artifact: Add , then add an additional for each charge counter removed this way.

, : Put a charge counter on this artifact.
, Remove any number of charge counters from this artifact: Add , then add an additional for each charge counter removed this way.

, : Put a charge counter on this artifact.
, Remove any number of charge counters from this artifact: Add , then add an additional for each charge counter removed this way.

Storm Seeker deals damage to target player equal to the number of cards in that player's hand.

Artifacts, creatures, and lands your opponents control enter tapped.

Creatures you control get +1/+1 as long as you control no nonartifact, nonwhite creatures.

At the beginning of each player's upkeep, destroy target nonartifact creature that player controls of their choice. It can't be regenerated.

Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays , where X is its mana value.

Creatures without flying can't attack.

Flying
, : This creature deals 1 damage to target attacking or blocking creature.

If an opponent who controls at least as many lands as you do would put a land onto the battlefield, that player instead puts that land onto the battlefield then sacrifices a land of their choice.

Vigilance
This creature gets +2/+2 for each Aura attached to it.

At the beginning of each player's upkeep, if that player controls a Plains, they gain 1 life.

, : Exile the top card of your library face down.
: Sacrifice this artifact. If you do, discard your hand, then put all cards exiled with this artifact into their owner's hand.
When this artifact leaves the battlefield, put all cards exiled with it into their owner's graveyard.

: Prevent the next 2 damage that would be dealt to target creature this turn.

Defender (This creature can't attack.)
Prevent all damage that would be dealt to this creature by creatures it's blocking.

Whenever a player casts a spell, counter it unless that player pays .

At the beginning of your upkeep, change Halfdane's base power and toughness to the power and toughness of target creature other than Halfdane until the end of your next upkeep.

Cast this spell only before blockers are declared.
Target creature gains first strike until end of turn. If it doesn't have rampage, that creature gains rampage 2 until end of turn. (Whenever the creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)

Remove this card from your deck before playing if you're not playing for ante.
, Sacrifice this creature: Target opponent may pay 10 life. If that player doesn't, they reveal a card at random from their hand. Exchange ownership of the revealed card and Tempest Efreet. Put the revealed card into your hand and Tempest Efreet from anywhere into that player's graveyard. This change in ownership is permanent.

As this creature enters, sacrifice any number of untapped Forests.
Wood Elemental's power and toughness are each equal to the number of Forests sacrificed as it entered.

Green creatures you control get +0/+2.

, : Target permanent you control becomes the color of your choice. (This effect lasts indefinitely.)

, : Put a matrix counter on target creature and that creature gains "Remove a matrix counter from this creature: Regenerate this creature." Activate only during your upkeep.

: This creature gets +1/+1 until end of turn.

, : Put a hatchling counter on this artifact.
Sacrifice this artifact: Choose one. Activate only if there are two or more hatchling counters on this artifact.
• You may put a creature card from your hand onto the battlefield.
• Return target creature card from your graveyard to the battlefield.

, : Put a charge counter on this artifact.
, Remove any number of charge counters from this artifact: Add , then add an additional for each charge counter removed this way.

Whenever this creature attacks and isn't blocked, you may destroy target artifact defending player controls. If you do, this creature assigns no combat damage this turn.

Enchant creature
At the beginning of the upkeep of enchanted creature's controller, put a -0/-1 counter on that creature.
When enchanted creature dies, that creature's controller chooses a creature that this card could enchant. If the player does, return this card to the battlefield under your control attached to that creature. If they don't, return this card to the battlefield under your control as a non-Aura enchantment. It loses "enchant creature" and gains "At the beginning of that player's upkeep, this enchantment deals 1 damage to that player."

, : For one spell this turn, you may spend mana as though it were mana of any type to pay that spell's mana cost. (Additional costs are still paid normally.)

Flying
, : Target creature gains flying until end of turn.

Rampage 2 (Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)

Destroy all Forests.

: If this creature's power is 1 or more, it gets -1/-0 until end of turn and put a -0/-1 counter on target creature blocking or blocked by this creature. Activate only during the declare blockers step.