Core Set 2020

Growth Cycle | Instant | | Target creature gets +3/+3 until end of turn. It gets an additional +2/+2 until end of turn for each card named Growth Cycle in your graveyard. | Svetlin Velinov

Might of the Masses | Instant | | Target creature gets +1/+1 until end of turn for each creature you control. | Johann Bodin

Natural End | Instant | | Destroy target artifact or enchantment. You gain 3 life. | Scott Chou

Plummet | Instant | | Destroy target creature with flying. | Filip Burburan

Pulse of Murasa | Instant | | Return target creature or land card from a graveyard to its owner's hand. You gain 6 life. | Matt Stewart

Shared Summons | Instant | | Search your library for up to two creature cards with different names, reveal them, put them into your hand, then shuffle. | Aaron Miller

Veil of Summer | Instant | | Draw a card if an opponent has cast a blue or black spell this turn. Spells you control can't be countered this turn. You and permanents you control gain hexproof from blue and from black until end of turn. (You and they can't be the targets of blue or black spells or abilities your opponents control.) | Lake Hurwitz