: Add .
: Desert deals 1 damage to target attacking creature. Activate this ability only during the end of combat step.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

Imprint — When Isochron Scepter enters the battlefield, you may exile an instant card with converted mana cost 2 or less from your hand.
, : You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

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

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.

Return target creature card from your graveyard to the battlefield.

Serrated Arrows enters the battlefield with three arrowhead counters on it.
At the beginning of your upkeep, if there are no arrowhead counters on Serrated Arrows, sacrifice it.
, Remove an arrowhead counter from Serrated Arrows: Put a -1/-1 counter on target creature.

As an additional cost to cast this spell, sacrifice an artifact.
Shrapnel Blast deals 5 damage to any target.

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.)

Draw three cards. Then discard two cards unless you discard an artifact card.

, Sacrifice Tormod's Crypt: Exile all cards from target player's graveyard.

Defender
Put a -0/-1 counter on Wall of Roots: Add . Activate this ability only once each turn.