Professor Onyx Full Art {T}: This creature deals 1

{T}: This creature deals 1 damage to any target" and "Whenever a creature dies

Cycling {2} ({2}

its owner may cast it

If a card or token would be put into your graveyard from anywhere

{1}{G}{W}{U}: Put Derevi onto the battlefield from the command zone

Professor Onyx Full Art {T}: This creature deals 1Magecraft Whenever you cast or copy an instant or sorcery spell, each opponent loses 2 life and you gain 2 life. +1: You lose 1 life. Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard. 3: Each opponent sacrifices a creature with the greatest power among creatures that player controls. 8: Each opponent may discard a card. If they don't, they lose 3 life. Repeat this process six more times.