Chord of Calling [Double Masters] Mountain Plains you may pay X life

you may pay X life

create a 4/4 red Bird creature token with flying at the beginning of the next end step

Set: Guru Type: Basic Land — Swamp Rarity: Rare ({T}: Add {B}

{2}{R}: Creatures you control get +1/+0 until end of turn

Is this the end/ Of this new glorious world

Chord of Calling [Double Masters] Mountain Plains you may pay X lifeSet: Double Masters Type: Instant Rarity: Rare Cost: {X}{G}{G}{G} Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Search your library for a creature card with converted mana cost X or less and put it onto the battlefield. Then shuffle your library.