Time Warp is the best for its mana cost, Temporal Mastery makes your early game more explosive and is fine late, Walk the Aeons allows you to chain together multiple turns off one card when you need it, Temporal Trespass can be absolutely clutch when you need to both Time Walk and play another Howling Mine effect, and Part the Waterveil is your win condition
Unfortunately for the Ranger, this card's unique art and unlikely inclusion aren't enough of a novelty to keep its price climbing, as it couldn't quite break the seven-dollar barrier in recent times, falling to below five dollars
If this card scares you, let it scare you into running more wraths and more interaction
Radha doesn't allow you to play additional lands
You can also use Pluto's ability to shift him into Pluto, Determined Defender a turn early