Twinning Staff [Commander 2020] 263 you can Special Summon 1

you can Special Summon 1 "Airknight Parshath" instead

Set: Gladiator's Assault Card type: Effect Monster Rarity: Ultimate Rare Attack: 3000 Defense: 1000 This card cannot be destroyed by battle

and you may spend mana as though it were mana of any type to cast those spells

Special Summon 1 Elemental Hero Poison Rose from your hand or Deck

Set: Sun & Moon: Guardians Rising Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

Twinning Staff [Commander 2020] 263 you can Special Summon 1Set: Commander 2020 Type: Artifact Rarity: Rare Cost: {3} If you would copy a spell one or more times, instead copy it that many times plus an additional time. You may choose new targets for the additional copy. {7}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.