+2: Sarkhan, Dragonsoul deals 1 damage to each opponent and each creature your opponents control.−3: Sarkhan, Dragonsoul deals 4 damage to target player or planeswalker.−9: Search your library for any number of Dragon creature cards, put them onto the battlefield, then shuffle.
When Llawan, Cephalid Empress enters, return all blue creatures your opponents control to their owners' hands.Your opponents can't cast blue creature spells.
Landfall — Whenever a land you control enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")Whenever you sacrifice a Clue, put a +1/+1 counter on Tireless Tracker.
FlyingAt the beginning of your upkeep, sacrifice Arcades Sabboth unless you pay .Each untapped creature you control gets +0/+2 as long as it's not attacking.: Arcades Sabboth gets +0/+1 until end of turn.
Protection from everythingIf Progenitus would be put into a graveyard from anywhere, reveal Progenitus and shuffle it into its owner's library instead.
This spell costs less to cast, where X is the total mana value of noncreature artifacts you control.Sacrifice two artifacts: Return Metalwork Colossus from your graveyard to your hand.