A creature that's renowned stays renowned until it leaves the battlefield, even if it somehow loses all its +1/+1 counters
Modern and Legacy: yes, fetches are legal, but some related cards (like Senseis Divining Top) are not
They have 10 pages, each with four pockets apart from the last few for oversized cards
Kefka, Court Mage // Kefka, Ruler of Ruin Kefka is one of the most sadistic villains in any video game, so its hardly a surprise that he appears in such a spiteful form on a Magic card
If a creature you control has riot, you choose for that creature to enter the battlefield with either a +1/+1 counter or haste
The last time we saw this mechanic return to a regular set was Coldsnap in 2006