Prototype {2}{U}{U} — 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) You may have this creature enter as a copy of an artifact or creature you control, except it's an artifact creature in addition to its other types, and its power and toughness are equal to this creature's power and toughness.

Tap up to two target artifacts and/or creatures. Put two stun counters on each of them. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Whenever you draw your second card each turn, put a +1/+1 counter on this creature.

Enchant artifact When this Aura enters, draw a card. Enchanted artifact is a creature with base power and toughness 4/4 in addition to its other types.

Flying {R}: Artifact creatures you control get +1/+0 until end of turn. Unearth {3}{R}{R} ({3}{R}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

When this enchantment enters, you may discard a card. If you do, draw two cards. {1}, Sacrifice this enchantment: Creatures you control gain haste until end of turn.

{2}: This creature gains double strike until end of turn.

Prototype {2}{R} — 1/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Flying {2}: This creature gets +1/+0 until end of turn.

Menace When this creature enters, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") When this creature leaves the battlefield, sacrifice a Powerstone.

Choose two — • Choose target player. They may discard up to X cards. Then they draw a card for each card discarded this way. • This spell deals X damage to target creature. • This spell deals X damage to target planeswalker. • Target creature gets +X/+0 and gains haste until end of turn.

Trample This creature attacks each combat if able. Unearth {5}{R} ({5}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Haste {1}, {T}, Discard a card: Draw a card. Whenever you discard one or more artifact cards, add {R}{R}. This ability triggers only once each turn.

Obliterating Bolt deals 4 damage to target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.

When this creature enters, you may discard a card. If you do, draw a card. Unearth {1}{R} ({1}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Unleash Shell deals 5 damage to target creature or planeswalker and 2 damage to that permanent's controller.

Prototype {3}{U} — 2/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Flying When this creature enters, scry X, where X is its power.

Defender {U}: This creature loses defender and gains "This creature can't be blocked." {2}{U}: This creature becomes blue and has base power and toughness 5/4. Activate only if this creature doesn't have defender. {4}{U}{U}: Draw three cards. Activate only if this creature is blue and only once.

Enchant creature Enchanted creature gets +1/+0 and has flying and "Whenever this creature attacks, draw a card."

{7}: Draw two cards.

{2}, Sacrifice this creature: Draw a card. Unearth {U} ({U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

At the beginning of your end step, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") {6}: Draw a card and put a +1/+1 counter on this creature.

Flash Flying When this creature enters, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Draw two cards, then discard a card. Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Whenever you draw your second card each turn, put a +1/+1 counter on this creature. When this creature dies, create a 1/1 colorless Thopter artifact creature token with flying.

Vigilance {1}, {T}: Draw a card, then discard a card. Whenever you discard one or more artifact cards, create a tapped Powerstone token. This ability triggers only once each turn. (The token is an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

When this creature enters, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

When this creature enters, mill three cards. You may put a land card from among the cards milled this way into your hand. If you don't, put a +1/+1 counter on this creature. (To mill a card, put the top card of your library into your graveyard.)

Choose one — • Search your library for a basic land card, reveal it, put it into your hand, then shuffle. • Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Prototype {2}{G} — 1/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) {T}: Add an amount of {G} equal to this creature's power.

Put a +1/+1 counter on target creature you control. It gains reach, trample, hexproof, and indestructible until end of turn. (It can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)

Target creature gets +3/+3 until end of turn.

Prototype {2}{G}{G} — 2/5 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Whenever this creature attacks, target attacking creature gets +X/+0 until end of turn, where X is this creature's power.

Prototype {3}{G}{G} — 3/5 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Reach, trample

Whenever an artifact you control enters, look at the top card of your library. If it's a land card, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it into your graveyard.

Exile target artifact, enchantment, or creature with flying.

Choose two — • Exile target player's graveyard. You gain 1 life for each card exiled this way. • Search your library for up to two land cards, put them onto the battlefield tapped, then shuffle. • Create two 2/2 green Bear creature tokens. • Put two +1/+1 counters on each creature you control.

Whenever this creature attacks, exile target card from a graveyard. Unearth {1}{B} ({1}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Until end of turn, target creature gets +2/+0 and gains "When this creature dies or is put into exile from the battlefield, return it to its owner's hand."

This creature enters tapped. {2}{B}: Return this card from your graveyard to your hand.

Destroy target nonartifact creature.

Choose one — • You draw two cards and you lose 2 life. • Creatures your opponents control get -1/-1 until end of turn.

Whenever this creature attacks, you may sacrifice another creature or artifact. If you do, this creature gains flying until end of turn.

This spell costs {3} less to cast if it targets a creature card with mana value 3 or less. Return target creature card from your graveyard to the battlefield.

When this creature enters, mill three cards. You may put a creature card from among the cards milled this way into your hand. If you don't, put a +1/+1 counter on this creature. (To mill a card, put the top card of your library into your graveyard.)

When this creature enters, you draw a card and you lose 1 life. Unearth {3}{B} ({3}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Menace Whenever this creature attacks, you may sacrifice another creature. When you do, destroy target creature an opponent controls. Unearth {3}{B}{B} ({3}{B}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

{3}, {T}, Sacrifice another creature or artifact: Draw a card.