Gravecrawler (Buy-A-Box) [Dark Ascension Promos] Phyrexian Construct the player can activate mana

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

When Kozilek

Set: Limited Edition Beta Type: Instant Rarity: Common Cost: {B} Add {B}{B}{B}

the Lord of Atlantis makes his people bold in battle merely by arriving to lead them

Its controller may search their library for a basic land card

Gravecrawler (Buy-A-Box) [Dark Ascension Promos] Phyrexian Construct the player can activate manaSet: Dark Ascension Promos Type: Creature Zombie Rarity: Rare Cost: {B} Gravecrawler can't block. You may cast Gravecrawler from your graveyard as long as you control a Zombie. "Innistrad's ghoulcallers are talented enough, but let me show you what someone with real power can create." Liliana Vess