Yes, the life loss can be significant, but when you only spend 1 mana, its worth the cost to reanimate just about any size of creature
Honestly, it's a good thing that no one actually needs every version of every Magic card because even though Magic is the best game of all time, if you have $30,000 laying around, you can probably find something better to spend it on than one year's worth of cardboard
Still, I will make many references to moments that are clearly bluffs, and thus give you a clearer idea of how to do it well
Finally, there are 10 holographic cards to collect as well: Related Gengar Mewtwo Mismagius Dusknoir Darkrai Chandelure Trevenant Gourgeist Mimikyu Hatterene Though this may seem like a lot to collect, the 40-pack bundles seem to alleviate this issue
I count Outpost Siege as your generic baseline