Alchemy has a wealth of interesting ideas they could pull from that are grounded in the rules and restrictions that make Magic our favorite card game
Interestingly, Arlinn, the Packs Hope is the only card to get three different arts: regular, Equinox, and Borderless
At the end of combat on your turn, if a player was dealt 6 or more combat damage this turn, transform this enchantment, then attach it to a creature you control
He can use clockworking to visit the past and present, as well as visit alternate present realities and bring people from those realities to his own
2013-09-15 When you scry, you may put all the cards you look at back on top of your library, you may put all of those cards on the bottom of your library, or you may put some of those cards on top and the rest of them on the bottom
Attacking isn't particularly difficult, but this also limits the ability's use to your turn, which is a more significant drawback