Colfenor's Urn [Lorwyn] World Magic Cup Qualifiers {U}: Change the target of

{U}: Change the target of target spell or ability that targets only Silver Wyvern

and why did he feel so stiff

Set: Aether Revolt Type: Creature — Elf Warrior Rarity: Rare Cost: {1}{G} Revolt — Greenwheel Liberator enters the battlefield with two +1/+1 counters on it if a permanent you controlled left the battlefield this turn

Set: Modern Event Deck 2014 Type: Instant Rarity: Uncommon Cost: {W} Exile target creature

Set: Commander 2014 Type: Land Rarity: Common Bojuka Bog enters the battlefield tapped

Colfenor's Urn [Lorwyn] World Magic Cup Qualifiers {U}: Change the target ofSet: Lorwyn Type: Artifact Rarity: Rare Cost: {3} Whenever a creature with toughness 4 or greater is put into your graveyard from the battlefield, you may exile it. At the beginning of the end step, if three or more cards have been exiled with Colfenor's Urn, sacrifice it. If you do, return those cards to the battlefield under their owner's control.