Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

When an opponent casts a creature spell, if this permanent is an enchantment, it becomes a 4/4 Giant creature with protection from each of that spell's colors.

Flying, vigilance
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.)

Whenever a Forest is tapped for mana, its controller adds an additional .

At the beginning of each player's upkeep, return to its owner's hand each creature that player controls with power greater than the number of cards in their hand.

If a red spell would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead.

: 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.

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

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.

, : Tap X target lands.

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

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.

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, 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.

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.

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

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.

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

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

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.

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: Return up to X target permanents to their owners' hands, where X is the number of verse counters on this enchantment.

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

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

Trample
At the beginning of your upkeep, sacrifice this creature unless you pay .
: Regenerate this creature.

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

Exile Time Spiral. Each player shuffles their hand and graveyard into their library, then draws seven cards. You untap up to six lands.

Flying
Shroud (This creature can't be the target of spells or abilities.)

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

Flying
When this creature enters, target player discards two cards.

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.

Flying
When this creature enters, destroy target nonblack creature. It can't be regenerated.

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

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
: Add . Target opponent gains control of this creature. (Activate only as an instant.)

Flying (This creature can't be blocked except by creatures with flying or reach.)
: This creature deals 1 damage to any target.

Serra Avatar's power and toughness are each equal to your life total.
When Serra Avatar is put into a graveyard from anywhere, shuffle it into its owner's library.