Biorhythm

Each player's life total becomes the number of creatures they control.

Stern Scolding

Counter target creature spell with power or toughness 2 or less.

Counterflux

This spell can't be countered.
Counter target spell you don't control.
Overload {1}{U}{U}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Coalition Victory

You win the game if you control a land of each basic land type and a creature of each color.

Tinker

As an additional cost to cast this spell, sacrifice an artifact.
Search your library for an artifact card, put that card onto the battlefield, then shuffle.

Nyxbloom Ancient

Trample
If you tap a permanent for mana, it produces three times as much of that mana instead.