Orvar, the All-Form: Kaldheim Promos Champions of Kamigawa Whenever you cast a Lizard

Whenever you cast a Lizard spell

A deck can have any number of cards named Rat Colony

Sacrifice two artifacts: Choose one — • Breya deals 3 damage to target player or planeswalker

Each player shuffles their hand and graveyard into their library

Mortivore's power and toughness are each equal to the number of creature cards in all graveyards

Orvar, the All-Form: Kaldheim Promos Champions of Kamigawa Whenever you cast a LizardChangeling Whenever you cast an instant or sorcery spell, if it targets one or more other permanents you control, create a token that's a copy of one of those permanents. When a spell or ability an opponent controls causes you to discard this card, create a token that's a copy of target permanent.