Reverberation Cube

Vigilance
{t}: Copy target spell or activated ability.

"A hum resonates from its core, as if attuned, the
very heartbeat of the multiverse. What begins a simple echo soon becomes an intricate dance of intention and reflection—copying very will. In its presence, time and thought blur, and every second mirrored, amplified, and twisted into new possibilities, as though the Cube itself anticipates the desires of those who seek it"