Echoing Echo [Unknown Event] Gx2 You may cast an instant

You may cast an instant or sorcery spell with mana value less than or equal to Velomachus Lorehold'd power from among them without paying its mana cost

Reverse Type: Artifact Creature — Golem Trample

sacrifice Junún Efreet unless you pay {B}{B}

Set: Rivals of Ixalan Promos Type: Legendary Creature — Vampire Knight Rarity: Mythic Cost: {2}{W}{B} Lifelink

Echoing Echo [Unknown Event] Gx2 You may cast an instantSet: Unknown Event Type: Sorcery Rarity: Common Cost: {W} Target creature and all creatures that share a name with that creature gain echo 3 until the end of your next turn. (At the beginning of the upkeep of each of those creature's controllers, if that creature came under its owner's control since the beginning of their last upkeep, they sacrifice it unless they pay its echo cost.