Improvisation Capstone

Exile cards from the top of your library until you exile cards with total mana value 4 or greater. You may cast any number of spells from among them without paying their mana costs. Paradigm (Then exile this spell. After you first resolve a spell with this name, you may cast a copy of it from exile without paying its

mana cost at the beginning of each of your first main phases.)

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o852d54eppb1hxh6cc0b7.