Ravnica Allegiance

Unbreakable Formation | Instant | | Creatures you control gain indestructible until end of turn. Addendum — If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn. | Matt Stewart

Precognitive Perception | Instant | | Draw three cards. Addendum — If you cast this spell during your main phase, instead scry 3, then draw three cards. | Chris Rallis

Electrodominance | Instant | | Electrodominance deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost. | Dmitry Burmak

Rampage of the Clans | Instant | | Destroy all artifacts and enchantments. For each permanent destroyed this way, its controller creates a 3/3 green Centaur creature token. | Sidharth Chaturvedi

Absorb | Instant | | Counter target spell. You gain 3 life. | Izzy

Warrant | Instant | | Put target attacking or blocking creature on top of its owner's library. | Matt Stewart

Repudiate | Instant | | Counter target activated or triggered ability. (Mana abilities can't be targeted.) | Victor Adame Minguez

Bedevil | Instant | | Destroy target artifact, creature, or planeswalker. | Seb McKinnon

Bedeck | Instant | | Target creature gets +3/-3 until end of turn. | Randy Vargas

Thrash | Instant | | Target creature you control deals damage equal to its power to target creature or planeswalker you don't control. | Winona Nelson