You Come to a River is a two-mana Blue instant that has you either trying to fight the current or find a crossing
I think more people fondly remember Ascendant Evincar for how it was splashed across the Nemesis marketing and reprinted several times, but it's just not that great
The rest of the cycle from Eventide are equally enigmatic, like Overbeing of Myth (those are owls on the shoulders and head of a humanoid with a blindfolded face), Nobilis of War (yes, its a goat chariot), Deity of Scars (your standard minotaur-esque fella) and Dominus of Fealty (a flying Eldar wizard made of clouds)
Its an annoying compromise to have to make, but if youre in a position where the best cards simply cost too much, and thats definitely the case a lot of the time in MTG, then picking the boring but affordable choice is going to do you a lot of good
Demolisher Spawn Demolisher Spawn is comparable to End-Raze Forerunners if deliriums online, which isnt very hard at the point in the game where youre casting a 7-drop
Of the Zendikar creature-lands, Celestial Colonnade and Creeping Tar Pit are obviously the best, as they can give you an evasive beater to get those last points of damage through