Flying
Whenever this creature attacks or blocks, roll a six-sided die. This creature gets +X/+0 until end of turn, where X is the result minus 1.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

(: Add .)

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Indestructible

: Add .
, : Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

Ward
At the beginning of your first main phase, add .

At the beginning of your upkeep, create a token that's a copy of another target nonland permanent you control.

This spell costs less to cast, where X is the total mana value of Dragons you control.
Flying, trample
, Sacrifice a land: Return this card from your graveyard to your hand.

The controller of target artifact sacrifices it, then reveals cards from the top of their library until they reveal an artifact card. That player puts that card onto the battlefield, then shuffles all other cards revealed this way into their library.

Choose one —
• Destroy all Dragon creatures.
• Destroy all non-Dragon creatures.

Each player sacrifices a creature of their choice. If you sacrificed a creature this way, you may return another permanent card from your graveyard to the battlefield.

As this artifact enters, choose a color.
Creatures you control of the chosen color get +1/+1.
Whenever a land's ability causes you to add one or more mana of the chosen color, add an additional one mana of that color.

Grand Summon — : Add one mana of any color. When you next cast a creature spell this turn, that creature enters with two additional +1/+1 counters on it.
Whenever another permanent you control is put into a graveyard from the battlefield, if it had one or more counters on it, you may put that number of +1/+1 counters on target creature.

When this creature enters, create X 1/1 white Halfling creature tokens and X Food tokens. (They're artifacts with ", , Sacrifice this token: You gain 3 life.")

Draw three cards. Then discard two cards unless you discard a basic land card.

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.

Choose one —
• Search your library for up to two creature cards, reveal them, put them into your hand, then shuffle.
• Put up to two creature cards from your hand onto the battlefield.
Entwine (Choose both if you pay the entwine cost.)

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

Target creature gets -1/-1 until end of turn for each Swamp you control.

As this enchantment enters, choose Mardu or Jeskai.
• Mardu — If a creature attacking causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
• Jeskai — At the beginning of your upkeep, create a 1/1 red Goblin creature token. It gains lifelink and haste until end of turn.