Estrid lets us cheat by untapping all of our enchanted lands which turns out to net us enough mana to take a turn semi-normally, which is a huge blowout when our opponents are laboring under a Winter Orb (or even better, Rising Waters which triggers enchantresses to boot!) and while it's not quite a pile of time walks, taking a normal turn while the opponents struggle is akin to getting free turns in the aggregate
The Locust God and Niv-Mizzet, Parun both convert drawn cards into damage or tokens
FREE PARKING
Each of these cards has the potential to warp things around it like a blackhole crushing everything into a fine paste that not even light can escape
If you really want a less, well, dishonest place to put this Horse, I suppose its a flying lifelinker that happens to buff Unicorns, which might be worth a slot in Lathiel, the Bounteous Dawn
Evolving from Gloom, Vileplume is most known for being based on the Rafflesia Arnoldii flower