Equipped creature gets +1/+1 for each land you control. Equip legendary creature {3} Equip {7}

If a land is tapped for two or more mana, it produces {C} instead of any other type and amount. Each spell a player casts costs {1} more to cast for each other spell that player has cast this turn.

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +1/+1 for each artifact and/or enchantment you control. Equip {2}

As this artifact enters, choose a card name. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When this creature enters, exile target artifact or creature an opponent controls with mana value 3 or less until this creature leaves the battlefield.

{X}{X}{1}: Destroy target noncreature artifact with mana value X.

Magical Tinkering — {W}, {T}, Sacrifice an artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact's mana value, put it onto the battlefield, then shuffle. Activate only as a sorcery.

Each player can't cast more than one non-Phyrexian spell each turn. Non-Phyrexian creatures enter tapped.

First strike Noncreature spells cost {1} more to cast.

First strike Creatures and nonbasic lands your opponents control enter tapped.

At the beginning of combat on your turn, for each Aura and Equipment attached to Valduk, create a 3/1 red Elemental creature token with trample and haste. Exile those tokens at the beginning of the next end step.

{W}, {T}: Search your library for a land card, reveal it, put it into your hand, then shuffle. Activate only if an opponent controls more lands than you.