Ravnica Allegiance

Biogenic Upgrade | Sorcery | | Distribute three +1/+1 counters among one, two, or three target creatures, then double the number of +1/+1 counters on each of those creatures. | Tomasz Jedruszek

Open the Gates | Sorcery | | Search your library for a basic land card or Gate card, reveal it, put it into your hand, then shuffle. | John Thacker

Incubation | Sorcery | | Look at the top five cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. | Mike Bierek

Savage Smash | Sorcery | | Target creature you control gets +2/+2 until end of turn. It fights target creature you don't control. (Each deals damage equal to its power to the other.) | Zoltan Boros