Vygo and Indrys Chinjoka

Partner with Chasing the Wind (When this permanent enters the battlefield, target player may put Chasing the Wind into their hand from their library, then shuffle.)
Flying, trample, thorns 4
Whenever Vygo and Indrys Chinjoka deals combat damage, if this is not an extra turn, you may pay {4}. If you do, take an extra turn after this one.