Knight of the Ebon Legion [Core Set 2020 Prerelease Promos] Modern Horizons Sliver spells you cast have

Sliver spells you cast have cascade

it gains haste until end of turn and you draw two cards

Murktide Regent enters the battlefield with a +1/+1 counter on it for each instant and sorcery card exiled with it

Set: Throne of Eldraine Promos Type: Artifact Rarity: Rare Cost: {1}{B} Wishclaw Talisman enters the battlefield with three wish counters on it

Knight of the Ebon Legion [Core Set 2020 Prerelease Promos] Modern Horizons Sliver spells you cast haveSet: Core Set 2020 Prerelease Promos Type: Creature Vampire Knight Rarity: Rare Cost: {B} {2}{B}: Knight of the Ebon Legion gets +3 +3 and gains deathtouch until end of turn. At the beginning of your end step, if a player lost 4 or more life this turn, put a +1 +1 counter on Knight of the Ebon Legion. (Damage causes loss of life.)