Overall, he is not as good as Exodia, but it can be said that it is a card that makes it easier to aim for a special victory
You want more burn spells than Channels, so my basic rule of thumb is that your quantity of burn spells should be at least greater than the number of Channels
After removing something, then giving you four impulse effects, the final chapter gives you six mana
Mass of Mysteries, from Lorwyn Eclipsed Commander , is arguably the weakest of the give myriad to other cards, but it's still very good when giving myriad to elementals with strong enters effects, like Mulldrifter
Many are locked away in collections, but this might be his best ever created in the 1997 Upper Deck Legends set thats loaded with all-time greats
Once per turn, when a card or effect is activated, except "Lord of the Red" (Quick Effect): You can target 1 Spell/Trap on the field