Isolde Yachra

+2: You get an emblem with "Tap two creatures you control: add X mana to your manapool where X is the number of emblems you control."
-3: Put a +1/+1 counter on up to one target creature. That creature deals damage equal to its power to target creature an opponent controls.
-5: Put a creature from your hand and/or command zone onto the battlefield. If your commander enters the battlefield this way it gains haste.