Timestream Navigator [Rivals of Ixalan Prerelease Promos]Set: 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.

it gains +4 [Power]

Set: Jungle Unlimited Type: Colorless Rarity: Holo Rare

Set: Platinum: Base Set Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

The same is true for artifacts and enchantments

instead flip two coins and ignore one

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Warrior Rarity: Rare Cost: {3}{R}{R} Horsemanship (This creature can't be blocked except by creatures with horsemanship

Set: Dissension Type: Artifact Creature — Construct Rarity: Rare Cost: {4} When a player other than Bronze Bombshell's owner controls it

{T}: If Chaos Orb is on the battlefield

−7: You get an emblem with "If a source would deal damage to you or a planeswalker you control

Sacrifice Strip Mine: Destroy target land

Set: Happy Holidays Type: Enchantment Rarity: Mythic Cost: {B} {B}

Set: League & Championship Cards Type: Metal Rarity: Promo Retreat cost: Colorless