Zendikar Rising

Resolute Strike | Instant | | Target creature gets +2/+2 until end of turn. If it's a Warrior, you may attach an Equipment you control to it. | Zezhou Chen

Practiced Tactics | Instant | | Choose target attacking or blocking creature. Practiced Tactics deals damage to that creature equal to twice the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.) | Alex Konstad

Shell Shield | Instant | | Kicker {1} (You may pay an additional {1} as you cast this spell.) Target creature you control gets +0/+3 until end of turn. If this spell was kicked, that creature also gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.) | Wisnu Tan

Chilling Trap | Instant | | Target creature gets -4/-0 until end of turn. If you control a Wizard, draw a card. | Johann Bodin