When Ardent Elementalist enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Menace (This creature can't be blocked except by two or more creatures.) If it's neither day nor night, it becomes day as Brimstone Vandal enters the battlefield. Whenever day becomes night or night becomes day, Brimstone Vandal deals 1 damage to each opponent.

Whenever Falkenrath Perforator attacks, it deals 1 damage to defending player.

Whenever you cast an instant or sorcery spell, Festival Crasher gets +2/+0 until end of turn.

If it's neither day nor night, it becomes day as Obsessive Astronomer enters the battlefield. Whenever day becomes night or night becomes day, discard up to two cards, then draw that many cards.

Defender {T}: Thermo-Alchemist deals 1 damage to each opponent. Whenever you cast an instant or sorcery spell, untap Thermo-Alchemist.

Choose one — • Cathartic Pyre deals 3 damage to target creature or planeswalker. • Discard up to two cards, then draw that many cards.

This spell costs {2} less to cast if it's night. Moonrager's Slash deals 3 damage to any target.