Durkwood Tracker [Time Spiral] Nightmare Turtle Beast and destroy the target unless

and destroy the target unless you roll a 1 or 6

Set: Urza's Legacy Type: Instant Rarity: Common Cost: {1}{G} Shuffle all creature cards from target player's graveyard into that player's library

and 1 Fusion Material Monster that was used for a Fusion Summon

When Barrier of Bones enters the battlefield

negate the second target's effects until the End Phase

Durkwood Tracker [Time Spiral] Nightmare Turtle Beast and destroy the target unlessSet: Time Spiral Type: Creature Giant Rarity: Uncommon Cost: {4}{G} {1}{G}, {T}: If Durkwood Tracker is on the battlefield, it deals damage equal to its power to target attacking creature. That creature deals damage equal to its power to Durkwood Tracker. These days, trackers must follow their quarry over years as well as miles.