Thankfully, there is more to TCG Pocket than this, though - and reworking the card game demonstrates a readiness to adapt the formula for a new audience
It then came into its own thanks to Kavu Predator, which turned the drawback of 5 life into a whopping +5/+5
Especially with Clarion Spirit, thats the kind of explosive Turn 3 that leads to some aggro whammy cleaning up the game
Its a real thinking persons aggro deck
The only decks that don't happily auto include a Sol Ring when they can are those like RDW and white weenie (sometimes) where the vast majority of the cost of their cards is R or W mana and not colourless
Cecil, Dark Knight // Cecil, Redeemed Paladin would be a strong addition to a mono-black aggro or control deck, as it provides a powerful, versatile threat with deathtouch and lifelink