Change of Heart
{W}
Instant
Buyback {3} (You may pay an additional {3} as you cast ~this~. If you do, put ~this~ into your hand as it resolves.)
Target creature can't attack this turn.
Edifice of Authority
{3}
Artifact
{1}, {T}: Target creature can't attack this turn. Put a brick counter on ~this~.
{1}, {T}: Until your next turn, target creature can't attack or block and its activated abilities can't be activated. Activate only if there are three or more brick counters on ~this~.
Netter en-Dal
{W}
Creature -- Human Spellshaper
1/1
{W}, {T}, Discard a card: Target creature can't attack this turn.