mtg eldrazi booster box ROE Rise of the Magic the gatherings April 2010 large set Magic: The Gathering - Rise

Unfortunately, theres only one of her

Counter Blitz is Final Fantasy X , led by Tidus

Not only is this an infinite coloured mana combo, but it's also an infinite enters-the-battlefield combo

The two characters sitting facing one another in a cab on the Skywheel, with fireworks going off in the background outside the window

Two cards back to your hand for four is a little overcosted, but with the option to instead cheat a creature in under counter magic

Yes, Walking Ballista has its own self-replacement effect that modifies how it enters the battlefield: Instead of just entering the battlefield, it enters with X +1/+1 counters