Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)When Acidic Slime enters, destroy target artifact, enchantment, or land.
Flash (You may cast this spell any time you could cast an instant.)Enchant creatureEnchanted creature gets +1/+1.Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
Roll two d4 and choose one result. Create a number of 3/3 green Beast creature tokens equal to that result. Then search your library for a number of basic land cards equal to the other result, put them onto the battlefield tapped, then shuffle.
FlyingWhenever Fiend of the Shadows deals combat damage to a player, that player exiles a card from their hand. You may play that card for as long as it remains exiled.Sacrifice a Human: Regenerate Fiend of the Shadows.
, Sacrifice a creature: Exile the top card of your library. You may play that card this turn. (You still pay its costs. You can play a land this way only if you have an available land play remaining.)
Haste, : Exile target instant or sorcery card from your graveyard., , Sacrifice Izzet Chemister: Cast any number of cards exiled with Izzet Chemister without paying their mana costs.
Path of Ancestry enters tapped.: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)