Two-sided Gambit

Flip X coins
Any creatures touching a coin that landed on heads gets a +1/+1 counter, any lands touching a coin that landed on heads are untapped
Any creatures touching a coin that landed on tails gets a -1/-1 counter, any untapped lands touching a coin that landed on tails are tapped, any tapped lands touching a coin that landed on tails are returned to their owners' hand
Any card touching two coins of opposite result ignore both coins
"Just try once, its 50/50"