Conduit of Ruin [Battle for Zendikar Prerelease Promos] Fourth Edition After lightning struck the cliffs

After lightning struck the cliffs

Both his rank and his scars were earned in single combat against a cave bear

you may exert it as it attacks

activated ability

Set: Unlimited Edition Type: Artifact Rarity: Uncommon Cost: {4} {1}

Conduit of Ruin [Battle for Zendikar Prerelease Promos] Fourth Edition After lightning struck the cliffsSet: Battle for Zendikar Prerelease Promos Type: Creature Eldrazi Rarity: Rare Cost: {6} When you cast this spell, you may search your library for a colorless creature card with mana value 7 or greater, reveal it, then shuffle and put that card on top. The first creature spell you cast each turn costs {2} less to cast.