Shiko, Paragon of the Way

The template here is Snapcaster Mage's, refracted through a body big enough to end games. Snapcaster gave a spell flashback for its printed cost; this instead exiles a cheap card from your graveyard, copies it, and lets you cast the copy for free. The mana-value-3-or-less clause is the restriction paying for that free cast, so the target is a small spell (a burn spell, a cantrip, a two-mana removal spell) rather than the whole graveyard. The timing wrinkle is not on the trigger but on the creature itself: with no Flash, this typically hits the battlefield on your own turn, which means the free spell arrives proactively rather than as a surprise answer. The natural targets are the dead cards you want to reuse on your own main phase, not the reactive spells you would flash back to break up someone else's play. What sets the design apart from Snapcaster is that the recursion is stapled to a 4/5 flier with vigilance rather than a fragile 2/1. The rebought spell is no longer a support piece you cash in and lose; it is a bonus on top of a clock that keeps attacking while holding the ground. That reframes the exchange. Snapcaster spent a card and mana to rebuy value at instant speed; this asks only that you have a cheap spell worth reusing, and pays you a recurring air threat for the trouble.