Countering a key card, as well as providing an evasive creature that can pick up equipment, can swing a losing battle back in your favor
Rather than giving you a practically photorealistic depiction of what the card was supposed to represent, the older art often left you with a lot more room for imagination
The cost reduction applies only to generic mana in the total cost of blue spells you cast
Only TS and Pulse actually kill this card in the Abzan maindeck, which is a distinctive advantage over something like Chandra, Pyromaster -- she's still a good card against Abzan (see the end of the article), but her vulnerability to interaction makes her less reliable
Sygg, River Cutthroat Sygg, River Cutthroat is a very cheap commander, making it easy to keep on the board
It even acts as a fee sacrifice outlet for your creatures, gaining indestructible when sacrificing something to it and gaining +1/+1 if it was a Human creature