mtg.wtf

Prototype {1}{U}{U} — 2/1
When Arcane Proxy enters the battlefield, if you cast it, exile target instant or sorcery card with mana value less than or equal to Arcane Proxy's power from your graveyard. Copy that card. You may cast the copy without paying its mana cost.

Prototype {1}{W} — 2/2
Vigilance
{1}, {T}: Put a +1/+1 counter on target Assembly-Worker you control.

Prototype {2}{R} — 3/2
Haste

Prototype {3}{G} — 3/3
When Boulderbranch Golem enters the battlefield, you gain life equal to its power.

Prototype {2}{W} — 1/1
Double strike
When Combat Thresher enters the battlefield, draw a card.

Prototype {2}{G} — 1/3
{T}: Add an amount of {G} equal to Cradle Clearcutter's power.

Prototype {4}{U}{U} — 6/6
Depth Charge Colossus doesn't untap during your untap step.
{3}: Untap Depth Charge Colossus.

Prototype {2}{R} — 1/3
Flying
{2}: Fallaji Dragon Engine gets +1/+0 until end of turn.

Prototype {1}{B} — 1/1
Deathtouch

Prototype {2}{U}{U} — 3/3
You may have Hulking Metamorph enter the battlefield 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 Hulking Metamorph's power and toughness.

Prototype {2}{G}{G} — 2/5
Whenever Iron-Craw Crusher attacks, target attacking creature gets +X/+0 until end of turn, where X is Iron-Craw Crusher's power.

Prototype {1}{B}{B} — 3/3
Menace, lifelink
Ward—Pay life equal to Phyrexian Fleshgorger's power.

Prototype {1}{G} — 2/3
{3}{G}{G}, Sacrifice Rootwire Amalgam: Create an X/X colorless Golem artifact creature token, where X is three times Rootwire Amalgam's power. It gains haste until end of turn. Activate only as a sorcery.

Prototype {3}{G}{G} — 3/5
Reach, trample

Prototype {3}{R}{R} — 2/2
Trample, haste
When Skitterbeam Battalion enters the battlefield, if you cast it, create two tokens that are copies of it.

Prototype {3}{U} — 2/3
Flying
When Spotter Thopter enters the battlefield, scry X, where X is its power.

Prototype {1}{W}{W} — 3/3
Flying
At the beginning of combat on your turn, target creature you control gains your choice of flying, vigilance, or lifelink until end of turn.

Prototype {2}{G}{G} — 3/3
When Woodcaller Automaton enters the battlefield, if you cast it, untap target land you control. It becomes a Treefolk creature with haste and base power and toughness equal to Woodcaller Automaton's power and toughness. It's still a land.