Changeling (This card is every creature type.)
: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

Take an extra turn after this one. Exile Temporal Mastery.
Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Choose one or both —
• Exile target artifact.
• Exile target enchantment.

: Add two mana in any combination of colors. Spend this mana only to cast creature spells or activate abilities of creature sources.
Whenever you cast a creature spell with power 5 or greater, put a +1/+1 counter on Gwenna and untap it.

Trample
Heedless One's power and toughness are each equal to the number of Elves on the battlefield.

: Add or .

Magecraft — Whenever you cast or copy an instant or sorcery spell, each opponent loses 2 life and you gain 2 life.
+1: You lose 1 life. Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.
−3: Each opponent sacrifices a creature with the greatest power among creatures that player controls.
−8: Each opponent may discard a card. If they don't, they lose 3 life. Repeat this process six more times.

: Add .

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
Counter target spell unless its controller pays .

As this enchantment enters, choose a creature type.
Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

Search your library for up to four cards with different names and reveal them. Target opponent chooses two of those cards. Put the chosen cards into your graveyard and the rest into your hand. Then shuffle.

Target player mills three cards.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

As an additional cost to cast this spell, pay X life.
All creatures get -X/-X until end of turn.

Choose target creature card in a graveyard that was put there from the battlefield this turn. Put that card onto the battlefield under your control.

: Add .
, , Pay life equal to the number of colors in your commanders' color identity: Draw a card.

This land enters tapped unless you control an Island or a Swamp.
: Add or .

Destroy target nonblack creature.

Sacrifice this creature: You gain life equal to the life you've lost this turn. (Damage causes loss of life.)

Target player takes two extra turns after this one.

Menace, haste
Boast — Sacrifice another creature or artifact: This creature deals damage equal to 2 plus the sacrificed permanent's mana value to any target. (Activate only if this creature attacked this turn and only once each turn.)