If the target creature is a legal target but isn't destroyed, most likely because it has indestructible, you'll still draw a card if another creature died this turn
Once it inevitably does get reprinted, it should fall back down to a dollar or two, assuming it hasn't caught on as a staple in a competitive Modern deck by then, which is unlikely but not impossible
No one needs 21 Teferi, Master of Time (outside of possibly Crim, but that's another story...)
Heres another: Creatures (3) Lands (22) Spells (35) 4 Hymn to Tourach 2 Yawgmoth's Will 4 Duress 3 Diabolic Edict 3 Cursed Scroll 4 Dark Ritual 4 The Rack 2 Pox 2 Demonic Consultation 3 Funeral Charm 4 Urza's Bauble Sideboard Yawgmoths Will was such an enjoyable way to build a big edge for mono-black decks and nearly mono-black decks
Arena of Glory #215 Modern Horizons 3 Change Version Arena of Glory Land Arena of Glory enters the battlefield tapped unless you control a Mountain
Celebi #9Amazing Rare $7.85 Yanmega #7Rare $0.08 Genesect #16Holo Rare $0.31 Electrike #51Common $0.03 Charmeleon #24Uncommon $0.08 Galvantula #56Uncommon $0.12 Drednaw #39Rare $0.08 Arrokuda #41Common $0.13 Dewott #34Uncommon $0.09 Charizard #25Rare $3.29 Dusknoir #2Holo Rare $12.88 Dusknoir #63Holo Rare $4.45 Dusknoir #40Holo Rare $0.45 Dusknoir #53Holo Rare $0.42 Dusknoir #85Holo Rare $0.52 Dusknoir #62Holo Rare $0.22 Dusknoir #TG6Ultra Rare $2.90 Dusknoir #62Promo $0.20 Dusknoir #62Rare $0.61 Dusknoir #71Holo Rare $0.16