mtg mirrodin besieged card Skinwing [Mirrodin Besieged] 2 Consuming Vapors (ROE Rare) Mirran Crusader — Mirrodin Besieged

They value the ability to stay open

Play This, Not That Four-mana Demolish, over a ten+-year lifetime, was a staple in approximately one total deck, whereas the three-mana version saw play almost wherever a red mage could afford to cast it

Quoting the Comprehensive Rules: 704.5q If a permanent has +1/+1 and -1/-1 counters on it, then pairs of a +1/+1 and -1/-1 counter are removed from it as a state-based action. Whenever you add a positive or negative counter to a creature, you first remove the opposite counter the creature may have

Certainly playable with its good high standalone power level but not a card I am looking to run outside of a tribal deck