Guilds of Ravnica

Citywide Bust | Sorcery | | Destroy all creatures with toughness 4 or greater. | Victor Adame Minguez

Gird for Battle | Sorcery | | Put a +1/+1 counter on each of up to two target creatures. | Jakub Kasper

Sworn Companions | Sorcery | | Create two 1/1 white Soldier creature tokens with lifelink. | Jason Rainville

Deafening Clarion | Sorcery | | Choose one or both — • Deafening Clarion deals 3 damage to each creature. • Creatures you control gain lifelink until end of turn. | Adam Paquette

Camaraderie | Sorcery | | You gain X life and draw X cards, where X is the number of creatures you control. Creatures you control get +1/+1 until end of turn. | Sidharth Chaturvedi

Flower // Flourish | Sorcery // Sorcery | | Search your library for a basic Forest or Plains card, reveal it, put it into your hand, then shuffle. // Creatures you control get +2/+2 until end of turn. | Dmitry Burmak