Flash (You may cast this spell any time you could cast an instant.)When Seht's Tiger enters, you gain protection from the color of your choice until end of turn. (You can't be targeted, dealt damage, or enchanted by anything of the chosen color.)
FlyingWhen Deathbringer Regent enters, if you cast it from your hand and there are five or more other creatures on the battlefield, destroy all other creatures.
Equipped creature gets +3/+2.Whenever a legendary creature you control enters, you may attach Hero's Blade to it.Equip (: Attach to target creature you control. Equip only as a sorcery.)
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.)
: Return Etherium-Horn Sorcerer to its owner's hand.Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)