*Name: Nemesis Trap
Type: Instant - Trap
Play Cost: 4 Colorless, 2 Swamp
Game Text: If a white creature is attacking, you may pay SS rather than pay Nemesis Trap's mana cost.
Exile target attacking creature. Put a token that's a copy of that creature onto the battlefield. Exile it at the beginning of the next end step.
*Source: Front of card