You can find uses for it
This is, then, a hands-on guide to buying and selling Magic cards
When I already have 8 mana, I might have other spells that I could cast that could be more impactful than drawing cards based on my toughest creature and putting any creatures from my hand to the field
Akul the Unrepentant Axelrod Gunnarson Carnage, Crimson Chaos Chaos Defiler Cryptborn Horror Desecrex, Gift of Servitude Dire Fleet Warmonger Dread Slag Goblin Deathraiders Hungry for More Lagomos, Hand of Hatred Lightning Skelemental Lim-Dl's Paladin Mishra, Lost to Phyrexia Ob Nixilis, Captive Kingpin Orca, Siege Demon Orcus, Prince of Undeath Ozai, the Phoenix King Rakdos the Defiler Rakdos, Lord of Riots Rakdos, Patron of Chaos Rakdos, the Muscle Rakdos, the Showstopper The Balrog of Moria The Balrog, Flame of Udn Undead Sprinter Vessel of the All-Consuming
The Swarmlord The Swarmlord hits the battlefield incredibly hard as a massive threat that replaces itselfand any other creature with counterswhen it dies, which poses a variety of problems for your opponents
...even if this guy looks like he should be an extra in Tomb Raider or Indiana Jones instead of a more middle-ages fantasy setting