However, when everyone else is using Chrome Mox to play Tinker on the second turn, its really important to have Counterspell and Mana Leak available on turn 1
If so, you need a program to build and keep track of them all, and you need the best program around
Anafenza, the Foremost Archive Haunt Bloodchief Ascension Catlike Curiosity Centaur Vinecrasher Compost Countryside Crusher Dennick, Pious Apparition Dimir Strandcatcher Disa the Restless Duskmantle Guildmage Dutiful Knowledge Seeker Forbidden Crypt Lazav, Dimir Mastermind Lorcan, Warlock Collector Nihilith Planar Void Profane Memento Quest for Ancient Secrets Robot Domination Sand Scout Sefris of the Hidden Ways Skola Grovedancer Slogurk, the Overslime Soulcipher Board Syr Konrad, the Grim Tamiyo, the Moon Sage The Dark Barony The Gitrog Monster The Haunt of Hightower Turntimber Sower Ultron the Annihilator Ultron's Auxiliary Voracious Brood Vulturous Zombie Yuma, Proud Protector
While you wont want to lose any of your creatures, Tegwyll makes for a fantastic draw engine with token makers like Bitterblossom, which constantly produces 1/1 tokens that make for excellent sacrifice fodder