Promise of Tomorrow [Commander Legends]Set: Commander Legends Type: Enchantment Rarity: Rare Cost: {2}{W} Whenever a creature you control dies, exile it. At the beginning of each end step, if you control no creatures, sacrifice Promise of Tomorrow and return all cards exiled with it to the battlefield under your control. Death can wait.

Set: Unhinged Type: Artifact Rarity: Rare Cost: {6} When Letter Bomb enters the battlefield

there's hope for a pure Mirrodin once again

Set: Urza's Saga Type: Enchantment Rarity: Rare Cost: {2}{G}{G} If you would draw a card

Set: World Championships 2012 Type: Stadium Rarity: Uncommon

Set: From the Vault: Transform Type: Creature — Human Wizard Rarity: Mythic Cost: {U} At the beginning of your upkeep

Set: Unlimited Edition Type: Sorcery Rarity: Uncommon Cost: {2}{G} Destroy target land

Set: Sun & Moon: Unified Minds Type: Lightning Rarity: Common Retreat cost: Colorless

"All we could lose

Set: World Championship Decks 1997 Type: Creature — Wurm Rarity: Common Cost: {1}{G} When Harvest Wurm enters the battlefield

Set: Zendikar Type: Creature — Human Cleric Ally Rarity: Rare Cost: {2}{W} Whenever Kabira Evangel or another Ally enters the battlefield under your control

Set: Commander 2014 Type: Sorcery Rarity: Rare Cost: {3}{G}{G} Until end of turn

you may have Nessian Wilds Ravager fight another target creature