Catch-up cards as a concept isnt something thats defined by Magic rules, which means it was hard to pinpoint cards for this list
$0.49 Memories Returning Final Fantasy $0.79 Jill, Shiva's Dominant Final Fantasy $1.99 Venat, Heart of Hydaelyn Final Fantasy $1.99 Summon: Leviathan Final Fantasy $2.99 Aerith Gainsborough Final Fantasy $0.49 Ashe, Princess of Dalmasca Final Fantasy $0.49 Elixir Final Fantasy $0.79 Firion, Wild Rose Warrior Final Fantasy $0.49 Sage's Nouliths Final Fantasy $1.49 Matoya, Archon Elder Final Fantasy $0.49 Summon: Fenrir Final Fantasy $0.49 Travel the Overworld Final Fantasy 0 results found
Upgrading a precon slowly is also a good budget path
With the right setup, that could be game-winning
Baneslayer Angel was the fatty that changed everything
That said, getting to 6 mana in the first place makes this a little harder to pull off