Doomsday (Japanese Borderless Etched Foil) [Secret Lair Drop Series] DP11 if this effect was used

if this effect was used this turn: Target 1 card on the field

Then if you control four or more lands

This card cannot be Special Summoned except by Tributing 2 level 6 or higher Spellcaster-Type monsters

Set: Secret Lair Drop Series Type: Legendary Creature — Elf Ally Rarity: Rare Cost: {2}{R}{G} You may play an additional land on each of your turns

look at the top 5 cards of their deck

Doomsday (Japanese Borderless Etched Foil) [Secret Lair Drop Series] DP11 if this effect was usedSet: Secret Lair Drop Series Type: Sorcery Rarity: Rare Cost: {B}{B}{B} Search your library and graveyard for five cards and exile the rest. Put the chosen cards on top of your library in any order. You lose half your life, rounded up.