Perhaps if it cost five to cast and five to active it would have been fair, but at three to tutor (Tinker) and zero to activate, it was completely abusive
Khrn the Betrayer If youve ever wondered what a mono-red group hug card would look like, look no further than Khrn the Betrayer
Ruby Ruby really doesnt need more overpowered cards, and its somewhat relieving that Shimmering Skies hasnt given them any
This Mace gives the equipped creature menace, deathtouch, and annihilator 1, a deadly suite of abilities that can overwhelm many opponents just on its own
Take Kalain, Reclusive Painter, for example, who is a Black and Red 1/2 that creates a Treasure token upon entering the battlefield, but also reads, Other creatures you control enter the battlefield with an additional +1/+1 counter on them for each mana from a Treasure spent to cast them. Not only does that mean you get an extra mana, but that its now in your interest to make as many Treasure tokens as possible
