Equipped creature has "Whenever this creature attacks, conjure a card named Ball Lightning onto the battlefield tapped and attacking."
Equip — Pay 3 life.

Menace
At the beginning of your upkeep, each player draws a card and loses 1 life.

Trample
Megamorph

Flying
This creature can block only creatures with flying.
: This creature gets +2/+0 until end of turn and deals 1 damage to you.

, Sacrifice another creature or artifact: Put a +1/+1 counter on this creature and draw a card. Activate only as a sorcery.

(Gain the next level as a sorcery to add its ability.)
When this Class enters, create a 1/1 blue and red Otter creature token with prowess.
: Level 2
When this Class becomes level 2, return target instant or sorcery card from your graveyard to your hand.
: Level 3
Whenever you cast an instant or sorcery spell, create a 1/1 blue and red Otter creature token with prowess.

Flying, haste
Prowess

Flying
Whenever this creature becomes the target of a spell you control, draw a card.

Flying
: Scry 1, then reveal the top card of your library. This creature gets +X/+0 until end of turn, where X is that card's mana value.

At the beginning of combat on your turn, target creature you control gets +2/+0 and gains trample and haste until end of turn.
Nightbound

Haste
Prowess
Instant and sorcery spells you cast cost less to cast.

This land enters tapped unless you control two or more other lands.
: Add or .

Sacrifice this enchantment: Creatures you control gain flying until end of turn.
Cascade

Haste
: Scry 1.

Each creature card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.)

Whenever chaos ensues, detain target creature an opponent controls.

Flying, haste, protection from white
: Monstrosity 3.
When this creature becomes monstrous, it deals damage to each opponent equal to the number of cards in that player's hand.

Flying
This creature can block only creatures with flying.
Undying

Bloodthirst 2
Menace

, Discard a card at random: This enchantment deals 2 damage to any target.

Equipped creature gets +3/+0.
Whenever equipped creature attacks, draw a card if you control three or more attacking creatures.
Equip

At the beginning of each player's upkeep, this enchantment deals X damage to that player, where X is 4 minus the number of cards in their hand.

Flying
Creatures with flying can't attack you or block creatures you control.
Whenever you cast a spell that targets one or more creatures, those creatures gain flying until end of turn.

Whenever one or more creatures you control deal combat damage to a player, create a Treasure token.
At the beginning of your end step, if you control five or more artifacts, transform Storm the Vault.

Distribute four +1/+1 counters among up to four target creatures you control. Creatures you control gain vigilance and trample until end of turn.

Look at the top five cards of your library. You may put up to two permanent cards with mana value 5 or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.
Flashback

Until end of turn, creatures you control get +2/+2 and gain "Whenever this creature deals combat damage to a player or planeswalker, destroy target artifact or enchantment defending player controls."

Target creature gets +1/+0 and gains first strike until end of turn. Scry 1.