Thirst for Knowledge

Counter target spell. If that spell is countered this way, put it into its owner's hand instead of into that player's graveyard. Draw a card.

T, Sacrifice this artifact: Exile target player's graveyard.

When this creature enters, you may return target card from your graveyard to your hand.

Target player loses 2 life and you gain 2 life. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

T: Add G. T: Target 1/1 creature gets +1/+2 until end of turn.

Return target creature card from your graveyard to the battlefield.

Defender Put a -0/-1 counter on this creature: Add G. Activate only once each turn.

T: Add C. T: This land deals 1 damage to target attacking creature. Activate only during the end of combat step.