Look at the top seven cards of your library. Put two of them into your hand and the rest into your graveyard.

As an additional cost to cast this spell, sacrifice a permanent.
Exile target artifact, creature, or enchantment.

: This creature deals 1 damage to each creature and each player.

Flying
If you would gain life, you gain that much life plus 1 instead.
: This creature gains lifelink until end of turn.

Whenever a nontoken creature you control dies, mill two cards. Then return a creature card with lesser mana value than the creature that died from your graveyard to your hand.
, Sacrifice this enchantment: You gain life equal to the greatest mana value among creatures you control.

Defender, flying
: Put this creature and each creature it's blocking on top of their owners' libraries, then those players shuffle.

When this creature enters, return up to two target creature cards from your graveyard to your hand.

Delirium — This creature gets +1/+0 and has vigilance as long as there are four or more card types among cards in your graveyard.

Enchant land
When this Aura enters, draw a card.
Enchanted land has ": Add one mana of any color."

When this creature enters, destroy target artifact or enchantment.

Defender
, Sacrifice this creature: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

This creature can't attack unless you've cast a creature spell this turn.

Instant and sorcery spells you cast cost less to cast for each time you've cast a commander from the command zone this game.

Return target creature card from your graveyard to the battlefield.
Flashback—Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever a nontoken creature you control dies, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")
Whenever you sacrifice a Clue, create a 1/1 white Human Soldier creature token.

Defender (This creature can't attack.)
Flying

When this creature dies, create two 2/2 green Ooze creature tokens. They have "When this token dies, create two 1/1 green Ooze creature tokens."

Destroy target creature. Its controller loses life equal to its power plus its toughness.
Suspend 5— (Rather than cast this card from your hand, you may pay and exile it with five time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Flash
When this Equipment enters, attach it to target creature you control. Untap that creature.
Equipped creature gets +1/+2 and has reach.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

, Sacrifice this artifact: Exile target creature. Return the exiled card to the battlefield under its owner's control at the beginning of the next end step.