This was before even Mana Drain
Doing his best Stoneforge Mystic impression, Cloud is an auto-include in any white Voltron Commander strategy
There may be more ink on the back imprint, and therefore less ink on the actual stamp, but we forget that the ink is slightly bulging (compare it to a little bit of paint, or a lot of paint - the second means the overall result is thicker (actual thicker, not wider like with Thick/Thin 1st edition stamps ))
Lull Sometimes you need a break from your opponents swinging in, and sometimes you need Lull to stop your opponents from knocking you out of the game
Drawing cards with those artifacts that are just sitting around, too
Felidar Sovereign is a six mana White 4/6 with vigilance and lifelink, which is a good combination of keywords