Primeval Titan [Modern Masters 2015] Eternal Masters Cannot be destroyed by battle

Cannot be destroyed by battle with a DARK

you can discard this card to reduce the Battle Damage inflicted to your Life Points from 1 of your opponent's monster's attacks to 0

by Tributing 1 Thunder Effect non-Fusion Monster (in which case you do not use "Polymerization")

when a Spell/Trap Card

Once per turn: You can banish 1 "Spellbook" Spell Card from your hand or Graveyard to target 1 card on the field

Primeval Titan [Modern Masters 2015] Eternal Masters Cannot be destroyed by battleSet: Modern Masters 2015 Type: Creature Giant Rarity: Mythic Cost: {4}{G}{G} Trample Whenever Primeval Titan enters the battlefield or attacks, you may search your library for up to two land cards, put them onto the battlefield tapped, then shuffle. When nature calls, *run*.