This is due to the Vintage format allowing all Magic cards that have been released since the Alpha set in 1993, except for cards that easily can break the game
TEAM UP WITH THE TABLE AND TAKE DOWN THE BADDIESWhen the evil Shredder attacks, Turtles fight back in this exciting new co-operative strategy format for Magic: The Gathering NEW CO-OP GAME MODE!24 players battle for survival against an onslaught of villainous adversaries 4 READY-TO-PLAY DECKSPlay with your favorite of the four pre-built 60-card hero decks, then crack into the included Play Boosters to expand your strategies THE PERFECT TRAINING DOJOTurtle Team-Up is the perfect training dojo for Magic players of any skill level to come together and play WELCOME TO THE GATHERINGMagic: The Gathering is a collectible card game that weaves deep strategy, gorgeous art, fantastical stories, and a thriving fan community all together into a card game experience like no other Lorwyn Eclipsed Jan

For example, say you've cast two spells this turn, and with Murmuration's last ability on the stack, you cast a Blizzard Strix (a Bird creature spell with flash that may have been chosen for this example due to being an adorable owl)
2017-09-29 The mana value of a split card, such as cards with aftermath from the Amonkhet block, is based on the combined mana cost of its two halves
If you want something somewhere in the middle of the budget and the expensive version try purchasing the pre-con and buying essential upgrade cards here and there, slowly
Thats why each and every courageous card in this drop, including the all-new, legendary Captain America, is dedicated to protecting the downtrodden