You think it would be easy to beat an evil doll, but when I look at this Demonic Tutor, I start to question that line of thinking
This creates a massive amount of demand that simply did not exist several years ago
6 Tinker Bell, Very Clever Fairy This Tinker Bell is a great card that sadly is rare to show up in play
Kiki-Jiki, Mirror Breaker As one of the games most famous and effective combo finishers, Kiki-Jiki has proven his efficacy alongside a number of partners, from Deceiver Exarch and Pestermite as a backup Splinter Twin, to Restoration Angel in Jeskai combo-control, to various value Goblins in present-day Modern
If you really just want to cast a spell, you can even cast it with X as 0 without a target creature and have neither effect do anything.
Legion Guildmage, Boros Guildmage, is a solid example of where to start