The Eye of Timaeus

The Eye of Timaeus is also an 8/8 Legendary
Dragon creature named Legendary Dragon
Timaeus. As an additional cost to this spell,
discard a creature named on a Fusion card you
own from outside the game that also mentions a
card named Legendary Dragon Timaeus. You
may reveal that Fusion card and put it onto the battlefield under your control. You can only cast
The Eye of Timaeus once per turn.
Limited 1