At the beginning of each player's upkeep, this enchantment deals damage to that player equal to the number of artifacts they control.

Flying
Whenever this creature deals combat damage to a player, roll a d20. Draw cards equal to the result. You have no maximum hand size for the rest of the game.

Gargantuan dragon, Challenge 23
Armor class 22, Hit Points 487
Speed 40 ft., fly 80 ft.
Attacks Bite, Claw, Tail, Frightful Presence, Cold Breath, Paralyzing Breath, Change Shape
STR 30 (+10) DEX 10 (+0) CON 29 (+9)
INT 18 (+4) WIS 15 (+2) CHA 23 (+6)

: Regenerate this creature.

First strike, reach

This land enters tapped.
: Add .
, Sacrifice this land: Add .

Look at the top five cards of your library. You may reveal a colorless card from among them and put it into your hand. Then put the rest on the bottom of your library in any order. (Cards with no colored mana in their mana costs are colorless. Lands are also colorless.)

Flash
This spell costs less to cast for each attacking creature.
Trample
When this creature dies, create a 6/12 colorless Construct artifact creature token with trample.

: Add . This land deals 2 damage to you.

Choose a card name. Search target opponent's graveyard, hand, and library for up to four cards with that name and exile them. Then that player shuffles.

: Add one mana of any color. Spend this mana only to cast a creature spell.

Choose a creature type. Creatures you control of the chosen type get +1/+0 and gain indestructible until end of turn.

This land enters tapped.
When this land enters, you gain 1 life.
: Add or .

Black spells you cast cost more to cast.
: This creature gets +1/+1 until end of turn.

Reach
As long as Andrios is attacking, tapped creatures you control with base power and toughness 4/3 have base power and toughness 16/9.
: Add . Creature spells you spend this mana to cast have their base power and toughness become 4/3.

When this creature enters, you may search your library for any number of cards named Andromedan Automatons, reveal them, put them into your hand, then shuffle.

Equipped creature gets +3/+1.
Whenever equipped creature attacks, create two tapped 1/1 white Spirit creature tokens with flying. If that creature is legendary, instead create two of those tokens that are tapped and attacking.
Equip

Ascend
Whenever equipped creature attacks, put a +1/+1 counter on each creature you control. If you have the city's blessing, put two +1/+1 counters on each creature you control instead.
Equip

Trample
You may exert Anep as it attacks. When you do, exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Ninjutsu
When Nezumi Prowler enters, put a deathtouch counter and a lifelink counter on target creature you control.

Flying, vigilance

Flying, vigilance

Flying, vigilance
, : Exile another target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.
, , Exert this creature: Exile another target creature until this creature leaves the battlefield.