When Peter Parker enters, create a 2/1 green Spider creature token with reach.
: Transform Peter Parker. Activate only as a sorcery.

Enchant enchantment
At the beginning of the upkeep of enchanted enchantment's controller, that player may pay any amount of mana. This Aura deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way.

Commander ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand or the command zone tapped and attacking.)
Whenever a Ninja you control deals combat damage to a player, reveal the top card of your library and put that card into your hand. Each opponent loses life equal to that card's mana value.

+2: Target opponent exiles cards from the top of their library until they exile a nonland card. Until end of turn, you may cast that card without paying its mana cost.
+1: Each opponent exiles two cards from their hand.
−4: Nicol Bolas deals 7 damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.
−12: Exile each nonland permanent your opponents control.

You draw three cards and you lose 3 life.

You may play an additional land on each of your turns.
Play with the top card of your library revealed.
You may play lands from the top of your library.

At the beginning of combat on your turn, put a +1/+1 counter on each of up to two target creatures you control.
, : Double the number of each kind of counter on up to two target creatures and/or artifacts you control.

When this creature enters, you may return target creature card from your graveyard to your hand.

Vigilance, haste
Radar Sense — You may look at the top card of your library any time.
Whenever you attack, you may exile the top card of your library. If that card is a Hero card, Daredevil gets +2/+1 until end of turn. You may play that card this turn.

Flying
Whenever you gain life, put a +1/+1 counter on this creature.
Whenever you put one or more +1/+1 counters on this creature, draw a card. This ability triggers only once each turn.

At the beginning of your upkeep, you draw a card and you lose 1 life.

Return all nonland permanents target player controls to their owner's hand.

Draw cards equal to the greatest mana value among permanents you control.

Undaunted (This spell costs less to cast for each opponent.)
Destroy two target creatures.

: Add .
, : This land becomes a copy of target land, except it has this ability.

(: Add .)

At the beginning of your end step, create a tapped 0/1 black Wizard creature token with "Whenever you cast a noncreature spell, this token deals 1 damage to each opponent." Then if you control four or more Wizards, transform Kuja.

(: Add .)

, Tap three untapped white creatures you control: Destroy target creature.

This creature gets +1/+0 for each artifact you control.
Magecraft — Whenever you cast or copy an instant or sorcery spell, create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")