Aquamoeba (Dave Humpherys) [World Championship Decks 2003] Spirit Advisor you may play those cards

you may play those cards without paying their mana costs

Orzhov Usurper deals damage to target player equal to the number of cards that player owns in exile and you gain that much life

or if this card in its owner's possession is destroyed by an opponent's card effect: You can send the top 3 cards of your Deck to the Graveyard

Set: Alpha Edition Type: Instant Rarity: Common Cost: {X}{U} Counter target spell unless its controller pays {X}

Aquamoeba (Dave Humpherys) [World Championship Decks 2003] Spirit Advisor you may play those cardsSet: World Championship Decks 2003 Type: Creature Elemental Beast Rarity: Common Cost: {1}{U} Discard a card: Switch Aquamoeba's power and toughness until end of turn. Some tides need no moon.