Eko, Witness of Cataclysm

Sunder
Flying
When you cast Echowing, Witness of Cataclysm,
you may exile up to 3 land cards from your
graveyard. For each land exiled, you may cast
target instant or sorcery card with converted
mana cost 3 or less from your graveyard
until end of turn without paying its mana cost.
If that card would be put into your graveyard
this turn, exile it instead.