Perhaps the niftiest card in Duel Masters: Sempai Legends, Diamond Cutter enables all blockers to attack and cancels the effects of summoning sickness

The most proven use case for smart contracts so far is custom tokens and crowdsales.

[…] and what a tragedy it was that I'd never finish my epic, multi-fandom, crossover crackfic saga (though there were not, in my opinion, nearly enough comments expressing this latter regret).

[…]live idle themselves, lyke dorres