Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
First strike (This creature deals combat damage before creatures without first strike.): Attacking creatures you control get +X/+X until end of turn, where X is the number of attacking creatures.
Whenever Sidisi, Brood Tyrant enters or attacks, mill three cards.Whenever one or more creature cards are put into your graveyard from your library, create a 2/2 black Zombie creature token.
Sliver creatures you control have "Whenever this creature deals combat damage to a player, exile the top card of your library. You may play that card this turn."
FlyingLifelink (Damage dealt by this creature also causes you to gain that much life.)Pegasus creatures you control have lifelink.Constellation — Whenever an enchantment you control enters, create a 2/2 white Pegasus creature token with flying.
Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)Equipped creature gets +1/+1.Whenever equipped creature deals combat damage to a player, that player loses half their life, rounded up.Equip
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.)
Choose three. You may choose the same mode more than once.• Target player draws a card and loses 1 life.• Target creature gets -2/-2 until end of turn.• Return target creature card from your graveyard to your hand.
Whenever you cast an instant or sorcery spell with mana value greater than the number of experience counters you have, you get an experience counter.Instant and sorcery spells you cast cost less to cast for each experience counter you have.