Tarot is all about trusting yourself and your intuition
Mana sources that produce more than they cost: Mox Diamond, Chrome Mox, Mana Vault, Grim Monolith, Ancient Tomb, Lion's Eye Diamond
You can divide card sleeves into two main categories: outer and inner
There are some niggles here with trigger ordering that I haven't investigated fully, but so far my informal play procedures have been sufficient for a few quick playtest games.
Its proliferate ability synergizes well with a lot of strategies, from planeswalkers to +1/+1 and poison counters to sagas
While this can be desirable in some archetypes others prefer to leave their graveyards intact, indeed some archetypes such as reanimator not only want to keep their graveyards in place but can make use of the discard aspect of Wheel