Plan mana rocks and cost reducers to keep pace
Pain's Reward is easier to cast and also draws four cards, but giving your opponent a choice is often not what you want to be doing, when you depend so heavily on the effect resolving
All right, lets take a looksee at what cards made my Top 5 from the set
Honorable Mention: Unstable Before we get into it I want to mention a set I think has a lot of really great things in it but doesnt belong on the main list
Many of these cards have to do with voting mechanics, letting you and your opponents vote on various outcomes, with them almost always being in your favor
Tezzeret, the Conspirator has a casting cost of two generic, one blue, and one black mana, enters the battlefield with five loyalty counters and has the following abilities (credit for ability translation goes to reddit user jack651411): +1: Create a colorless artifact token named "Etherium Stone," which has "Tap: Sacrifice this and add one mana of any color into your mana pool"