Timestream Navigator [Rivals of Ixalan Prerelease Promos] Hydra Avatar if All Hallow's Eve is

if All Hallow's Eve is exiled with a scream counter on it

Set: Anthologies Type: Creature — Specter Rarity: Uncommon Cost: {1}{B}{B} Flying

−3: Destroy target artifact

the Southland king: / A dragon coiled

target player can't cast instant or sorcery spells

Timestream Navigator [Rivals of Ixalan Prerelease Promos] Hydra Avatar if All Hallow's Eve isSet: Rivals of Ixalan Prerelease Promos Type: Creature Human Pirate Wizard Rarity: Mythic Cost: {1}{U} Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) {2}{U}{U}, {T}, Put Timestream Navigator on the bottom of its owner's library: Take an extra turn after this one. Activate only if you have the city's blessing.