Magic The Gathering Cards of types 'Chorus' and 'Sorcery'

Starting intensity 2 Conjure X cards named Colossal Dreadmaw onto the battlefield, where X is this spell's intensity. All Chorus cards you own intensify by 1.

Starting intensity 3 Return any number of creature cards with total mana value X or less from your graveyard to the battlefield, where X is Legion's Chant's intensity. All Chorus cards you own intensify by 1.

Starting intensity 2 Each player sacrifices X creatures and you gain X life, where X is this spell's intensity. All Chorus cards you own intensify by 1.