Destroy target land or nonblack creature. It can't be regenerated.

Enchant creature
Enchanted creature gets +2/+2 and has flying and shroud. (It can't be the target of spells or abilities.)

You gain 6 life.
Cycling (, Discard this card: Draw a card.)

At the beginning of your upkeep, this artifact deals 2 damage to the creature with the least toughness. If two or more creatures are tied for least toughness, you choose one of them.

Flying
When this creature enters, untap up to five lands.

Whenever a creature dies, if another creature is on the battlefield, return the first card to the battlefield under its owner's control at the beginning of the next end step.

At the beginning of your upkeep, flip a coin. If you lose the flip, return this creature to its owner's hand.

Jagged Lightning deals 3 damage to each of two target creatures.

Trample
At the beginning of your upkeep, sacrifice this creature unless you sacrifice an enchantment.

, : Tap X target lands.

Whenever this creature attacks, it gets +2/+0 until end of turn.

Whenever Karn blocks or becomes blocked, it gets -4/+4 until end of turn.
: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn.

: Untap this creature.
: This creature gains flying until end of turn.
: This creature gains shroud until end of turn. (It can't be the target of spells or abilities.)
: This creature gets +1/-1 until end of turn.
: This creature gets -1/+1 until end of turn.

Whenever this creature deals combat damage to defending player, it deals damage equal to its power to each blocking creature.

Whenever a creature you control enters, you gain life equal to its toughness.

Flying
Discard a card: Add .

At the beginning of your upkeep, you may put a verse counter on this enchantment.
, Sacrifice this enchantment: Return up to X target permanents to their owners' hands, where X is the number of verse counters on this enchantment.

Haste (This creature can attack and as soon as it comes under your control.)

At the beginning of your upkeep, this enchantment deals X damage to target opponent, where X is the number of cards in your hand minus the number of cards in that player's hand.

When an opponent casts a creature spell, if this permanent is an enchantment, it becomes a 5/5 Angel creature with flying and vigilance.

Cycling (, Discard this card: Draw a card.)

At the beginning of your upkeep, you may put a verse counter on this enchantment.
, Sacrifice this enchantment: Create X 3/3 green Beast creature tokens, where X is the number of verse counters on this enchantment.

, : Search your library for a creature card with mana value X or less, reveal it, put it into your hand, then shuffle.

Return all lands to their owners' hands.

At the beginning of your upkeep, you may put a verse counter on this enchantment.
, Sacrifice this enchantment: Look at target opponent's hand and choose up to X cards from it, where X is the number of verse counters on this enchantment. That player discards those cards.

At the beginning of your upkeep, you may put a verse counter on this enchantment.
, Sacrifice this enchantment: Destroy up to X target lands, where X is the number of verse counters on this enchantment.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, it deals 4 damage to each other creature.

Destroy all lands or all creatures. Creatures destroyed this way can't be regenerated.

Flying
At the beginning of your upkeep, sacrifice this creature unless you pay .
Cycling (, Discard this card: Draw a card.)

Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.

Destroy two target lands.

: This creature deals 3 damage to target attacking or blocking creature.

Each player sacrifices four lands of their choice. Wildfire deals 4 damage to each creature.

Enchant permanent
You control enchanted permanent.