FlyingWhen Hellkite Courser enters, you may put a commander you own from the command zone onto the battlefield. It gains haste. Return it to the command zone at the beginning of the next end step.
FlashYou control your opponents while they're searching their libraries.While an opponent is searching their library, they exile each card they find. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them.
Choose one. If you control a commander as you cast this spell, you may choose both instead.• Add for each card in target opponent's hand.• Exile the top three cards of your library. You may play them this turn.
, : Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.
Choose one. If you control a commander as you cast this spell, you may choose both instead.• Add for each card in target opponent's hand.• Exile the top three cards of your library. You may play them this turn.
Cascade, cascade, cascade, 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. Multiple instances of cascade each trigger separately.)
You may have Sakashima of a Thousand Faces enter as a copy of another creature you control, except it has Sakashima of a Thousand Faces's other abilities.The "legend rule" doesn't apply to permanents you control.Partner (You can have two commanders if both have partner.)
Choose one. If you control a commander as you cast this spell, you may choose both instead.• Add for each card in target opponent's hand.• Exile the top three cards of your library. You may play them this turn.