Kefnet the Mindful

Flash When this enchantment enters, exile target nonland permanent an opponent controls until this enchantment leaves the battlefield. Cycling W (W, Discard this card: Draw a card.)

Return target spell to its owner's hand.

Deem Worthy deals 7 damage to target creature. Cycling 3R (3R, Discard this card: Draw a card.) When you cycle this card, you may have it deal 2 damage to target creature.

You may exert this creature as it attacks. When you do, untap all other creatures you control. (An exerted creature won't untap during your next untap step.)

Whenever this creature attacks, other attacking creatures get +1/+0 until end of turn.

Counter target spell unless its controller pays 3.

When this creature enters, put a -1/-1 counter on target creature you control. Whenever this creature attacks, remove a -1/-1 counter from target creature you control and put a -1/-1 counter on up to one target creature defending player controls.

You may exert this creature as it attacks. When you do, you may put a creature card from your hand onto the battlefield. (An exerted creature won't untap during your next untap step.)