Curse of Bounty
{1}{G}
Enchantment -- Aura Curse
Enchant player
Whenever enchanted player is attacked, untap all nonland permanents you control. Each opponent attacking that player untaps all nonland permanents they control.
Dramatic Reversal
{1}{U}
Instant
Untap all nonland permanents you control.
Paradox Engine
{5}
Legendary Artifact
Whenever you cast a spell, untap all nonland permanents you control.