Urza's Filter [Invasion] Phyrexian Human Artificer Set: Odyssey Type: Creature —

Set: Odyssey Type: Creature — Angel Horror Rarity: Rare Cost: {4}{W}{W} Flying

Set: Commander 2017 Type: Artifact Rarity: Rare Cost: {3} You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast

every secret cost a thousand more

Wreckage from the Phyrexian Invasion provided the rats with a seemingly unlimited number of breeding grounds

but its namesake has long since been forgotten

Urza's Filter [Invasion] Phyrexian Human Artificer Set: Odyssey Type: Creature —Set: Invasion Type: Artifact Rarity: Rare Cost: {4} Multicolored spells cost up to {2} less to cast. "It's a tool for aiding my other tools," explained Urza. "Now they'll work in harmony."