InQuest

When a creature you control attacks, that creature gets +1/+0 until end of turn.
When a creature you control blocks, that creature gets +0/+1 until end of turn.
: Search your library for a creature card, reveal it, put it into your hand, and then shuffle.

As Dr. Rudolph van Richten enters the battlefield, choose a creature type.
When a creature of the chosen type blocks or is blocked by a creature you control, it is destroyed.
: Dr. Rudolph van Richten deals 1 damage to target creature that has the chosen type.
: Choose a creature type to use instead of the chosen type.

Gandalf the White enters the battlefield with three spell counters.
, : Exile a card from your hand face down.
, Remove a spell counter from Gandalf the White: You may cast a card exiled with Gandalf the White without paying its mana cost, if it would have been legal to begin casting that card when you had activated this ability, as though that card were in your hand. If the mana cost of that card contains , then you can and must choose 3 as the value of X instead of zero.
Discard two cards: Return Gandalf the White from your graveyard to your hand. Can be used only during your upkeep.

At the beginning of your upkeep, you gain 1 life.
Juzam Efreet cannot attack unless a source controlled by an opponent has dealt damage to you since the beginning of that opponent's most recent turn.