Phyrexian Negator [Judge Gift Cards 2004] Time Spiral Timeshifted Set: Alpha Edition Type: Land

Set: Alpha Edition Type: Land — Plains Island Rarity: Rare ({T}: Add {W} or {U}

Set: Ugin's Fate Type: Creature — Human Wizard Rarity: Rare Cost: {2}{B} Morph {B} (You may cast this card face down as a 2/2 creature for {3}

If those permanents are exchanged this way

Set: Beta Edition Type: Creature — Troll Rarity: Rare Cost: {2}{R} Sedge Troll gets +1/+1 as long as you control a Swamp

If each of those creatures could block all creatures that the other is blocking

Phyrexian Negator [Judge Gift Cards 2004] Time Spiral Timeshifted Set: Alpha Edition Type: LandSet: Judge Gift Cards 2004 Type: Creature Phyrexian Horror Rarity: Rare Cost: {2}{B} Trample Whenever Phyrexian Negator is dealt damage, sacrifice that many permanents. They exist to cease.