Celestial Mantle [Jumpstart] Druid or land card from their

or land card from their hand onto the battlefield

Set: International Collectors' Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U}{U} Enchant artifact

you gain 3 life and you may return up to one target creature card from your graveyard to your hand

Set: Urza's Destiny Promos Type: Creature — Human Cleric Rarity: Rare Cost: {2}{W}{W} When False Prophet dies

Some of these are geared toward facilitating military intervention

Celestial Mantle [Jumpstart] Druid or land card from theirSet: Jumpstart Type: Enchantment Aura Rarity: Rare Cost: {3}{W}{W}{W} Enchant creature Enchanted creature gets +3 +3. Whenever enchanted creature deals combat damage to a player, double its controller's life total. Upon such armor, even a mountain would break.