Underworld Breach [Theros Beyond Death] Elemental Demon if a creature entered the

if a creature entered the battlefield under your control this turn

and for the first time in his life

Reverse Type: Token Creature — Treefolk Reach This creature's power and toughness are each equal to the number of lands you control

Whenever Reality Smasher becomes the target of a spell an opponent controls

Underworld Breach [Theros Beyond Death] Elemental Demon if a creature entered theSet: Theros Beyond Death Type: Enchantment Rarity: Rare Cost: {1}{R} Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.) At the beginning of the end step, sacrifice Underworld Breach.