For the low, low cost of one card, you get to attack again, draw a card, and use all of your mana a second time, plus get a crack at additional upkeep/end step triggered abilities and all that good stuff
Pincurchin can attack for 30 damage, but if luck is on your side, they can flip a coin to paralyse the opposing Pokemon too
Double Cross Double Deal Double Dip Double Header Double Play Double Take Drawn Together Duh Dumb Ass Elvish House Party Elvish Impersonators Emcee Enter the Dungeon Erase (Not the Urza's Legacy One) Eye to Eye Face to Face Farewell to Arms Fascist Art Director Fat Ass First Come, First Served Flaccify Flock of Rabid Sheep Forest
It very distinctly captures the feel of Ravnicas endless metropolis, and the color of the buildings changes to match the color of the card
For Battles Of Legend: Monstrous Revenge one of the most important cards of the strategy - Sky Striker Mobilize - Engage