Vastlands Scavenger // Bind to Life | Titans' Nest | Displacer Kitten (and one other card)

Cards

Cast the copy of
Bind to Life from exile by paying five mana and unpreparing
Vastlands Scavenger.
When you cast that spell,
Displacer Kitten triggers, blinking
Vastlands Scavenger, which enters prepared.
Resolve the copy of
Bind to Life, milling seven cards and optionally putting a creature card from among them onto the battlefield.
Activate
Titans' Nest five times by exiling five cards from your graveyard, adding ({C} magic symbol) ({C} magic symbol) ({C} magic symbol) ({C} magic symbol) ({C} magic symbol) that can be cast as though it were any color but only on colored spells without X in their cost.
Repeat.

This combo has been estimated to be Exhibition (Bracket 1+).