Displacer Kitten | Throne of Eldraine | Seething Anger

Cards

({3} magic symbol) ({R} magic symbol) if
Throne of Eldraine's chosen color is not "Red" available.

If able, activate
Throne of Eldraine's first ability by tapping it, adding ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) that can only be spent to cast red monocolored spells.
Cast
Seething Anger with buyback by paying ({3} magic symbol) ({R} magic symbol) , targeting
Displacer Kitten.
Displacer Kitten triggers, blinking
Throne of Eldraine. Choose "Red" as it enters the battlefield.
Resolve
Seething Anger, giving
Displacer Kitten +3/+0 until end of turn, and returning
Seething Anger to your hand.
Repeat.