Chord of Calling Modern Horizons 3 If an artifact or creature

If an artifact or creature entering causes a triggered ability of a permanent you control to trigger

it becomes a 7/7 Dinosaur creature in addition to its other types

the Undercrypt** As this land enters

Each Magic the Gathering - Edge of Eternities Play Booster Pack includes:

each creature that player controls attacks if able

Chord of Calling Modern Horizons 3 If an artifact or creatureConvoke (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.