Echoing Echo [Unknown Event] Cockatrice they reveal a card at

they reveal a card at random from their hand

If you would create one or more Treasure tokens

two play-mats and accessories

Lethal damage dealt to creatures you control is determined by their power rather than their toughness

An opponent chooses one of them

Echoing Echo [Unknown Event] Cockatrice they reveal a card atSet: 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.