Sheoldred, Whispering One

Vigilance Other creatures you control get +2/+2. Creatures your opponents control get -2/-2.

This creature gets +1/+1 as long as you control another artifact.

Creature tokens you control get +1/+1 and have vigilance.

Destroy target enchantment. Flashback G (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flash At the beginning of your end step, draw seven cards. Each opponent's maximum hand size is reduced by seven.

T: Draw a card, then discard a card.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for 1.) Draw three cards.

Counter target activated or triggered ability. (Mana abilities can't be targeted.)