Deln the Friendly Fiend

+2: Deln the Friendly Fiend deals 2 damage to target creature. You may discard a card. If you do, Deln the Friendly Fiend deals 3 damage instead.
-X: Deln the Friendly Fiend deals X damage to target creature or player chosen at random. Flip a coin. If heads, repeat this effect.
-6: Each player gets an emblem with "Whenever you cast a spell, flip a coin. If heads, copy that spell. If tails, counter it instead."