Chord of Calling [Double Masters Promos] Ox2 where X is the number

where X is the number of lands you control

You shouldn't have

Set: Dominaria Prerelease Promos Type: Enchantment — Saga Rarity: Mythic Cost: {2}{B}{B} (As this Saga enters and after your draw step

{T}: Add {B} for each basic Swamp you control

Set: XY: Double Crisis Type: Item Rarity: Uncommon

Chord of Calling [Double Masters Promos] Ox2 where X is the numberSet: Double Masters Promos 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 mana value X or less, put it onto the battlefield, then shuffle.