Urza's Filter [Invasion]

Urza's Filter [Invasion]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."

Kiora Type: Creature — Bird Soldier Rarity: Rare Cost: {4}{W} Flying

you may sacrifice it

Set: Modern Event Deck 2014 Type: Basic Land — Plains Rarity: Common ({T}: Add {W}

Few among the Azorius have ever spoken with the sphinxes

Set: Commander 2015 Type: Sorcery Rarity: Mythic Cost: {X}{U}{R} Exile the top X cards of your library

it gets +1/+0 and gains first strike until end of turn

Skyshroud War Beast's power and toughness are each equal to the number of nonbasic lands the chosen player controls

{T}: All creatures get +2/+2 for as long as Thran Weaponry remains tapped

Set: Urza's Legacy Type: Enchantment Rarity: Rare Cost: {2}{U} At the beginning of your upkeep

it shattered the hillsides to make way for its passage

Set: Planeshift Type: Enchantment Rarity: Uncommon Cost: {2}{W} When Lashknife Barrier enters the battlefield

Set: Conspiracy Type: Sorcery Rarity: Uncommon Cost: {X}{U} Draw four cards