Cryptic Serpent [Jumpstart]

Cryptic Serpent [Jumpstart]Set: Jumpstart Type: Creature Serpent Rarity: Uncommon Cost: {5}{U}{U} This spell costs {1} less to cast for each instant and sorcery card in your graveyard. It slithers through the senses, constricting consciousness and poisoning perceptions.

Whenever Aether Chaser attacks

then fight alongside me

Demonic Type: Creature — Horror Rarity: Common Cost: {1}{B} When Abyssal Gatekeeper dies

Set: Core Set 2019 Tokens Type: Token Creature — Zombie Rarity: Common Reverse Type: Token Artifact Creature — Thopter Flying

I answer simply: We cannot

Whenever a creature you control without flying dies

Set: Arena League 1999 Type: Basic Land — Plains Rarity: Rare ({T}: Add {W}

When Dark Depths has no ice counters on it

Set: Team Rocket 1st Edition Type: Trainer Rarity: Rare

Set: Eventide Type: Enchantment Rarity: Uncommon Cost: {1}{B} At the beginning of your upkeep

then put that card on top of your library and the rest on the bottom in any order

Set: Core Set 2019 Prerelease Promos Type: Creature — Human Knight Rarity: Rare Cost: {3}{W} Other Knights you control get +1/+1