Timestream Navigator [Rivals of Ixalan Promos] Vanguard Series you may have this creature

you may have this creature become a copy of target creature

Set: Friday Night Magic 2009 Type: Creature — Merfolk Soldier Rare Cost: {2}{U} Other Merfolk creatures you control get +1/+1

Set: Prophecy Type: Enchantment Common Cost: {2}{U} Whenever an opponent casts a spell

Set: Coldsnap Type: Legendary Snow Land Rare Cost: Dark Depths enters the battlefield with ten ice counters on it

but whereas Gerrard became a champion of honor

Timestream Navigator [Rivals of Ixalan Promos] Vanguard Series you may have this creatureSet: Rivals of Ixalan Promos Type: Creature Human Pirate Wizard 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 this ability only if you have the city's blessing.