ancient slither wing pokemon card - Scarlet & Violet - Paradox Rift - - 107/182 Weakness / Resistance / Retreat Cost Slither Wing (Paradox Drive #4/109,

Smoke Free, Penny Sleeved and Top Loaded

By paying two generic mana and one blue, you can have it enter the battlefield with just the Mirror Room door unlocked , and so, when it enters, you can make a Reflection token copy of any target creature you control

Play Archfiend of the Dross, then use Metamorphic Alteration on one of your opponent's creatures, and hey presto: they lose the game next turn

Secondly, Counterbalance isnt at its best, as their deck expands upon the one-mana and two-mana spells territory which makes Counterbalance less reliable, followed by the fact that they are also running Abrupt Decay which might be accompanied by Golgari Charm post-board

Arabian Nights is actually quite good at this

It was sacrificed nearly 100% of the times it was put into play