There are a few ways to influence casting cost, the cost-effective options are Thalia, Guardian of Thraben, Grand Arbiter Augustin IV, and Lodestone Golem
Deck Filters Doc Samson, Super Psychiatrist 20%inclusion 19%synergy 4 decks 20 decks Hulk, Brutal Brawler 17%inclusion 16%synergy 3 decks 18 decks Shang-Chi, Martial Mentor 11%inclusion 10%synergy 2 decks 18 decks Punishing Punch 11%inclusion 10%synergy 2 decks 19 decks Earth's Mightiest Heroes 11%inclusion 10%synergy 2 decks 19 decks High Synergy Cards Hardened Scales 70%inclusion 55%synergy 124 decks 178 decks Inspiring Call 66%inclusion 53%synergy 118 decks 178 decks Spider-Man, Brooklyn Visionary 49%inclusion 49%synergy 88 decks 178 decks Forgotten Ancient 59%inclusion 48%synergy 105 decks 178 decks Kami of Whispered Hopes 54%inclusion 47%synergy 97 decks 178 decks Venom Blast 46%inclusion 46%synergy 82 decks 178 decks Kapow
Its generally good practice to limit yourself to exactly 60 cards
You secretly evaluate your options, make a calculated choice, and emerge stronger
If the copied creature is a token, the new token that's created copies the original characteristics of that token as stated by the effect that created that token
Because you arent reliant on one win condition, your opponents need more than a single spell to disrupt your gameplan