Algernon, Mouse of Intellect (AOA-062) [Awakening of the Ancients]

[Enter] -> Put an intellect counter on this card. If you control five or more magic stones, put three intellect counters on this card instead. Remove an intellect counter from this card: This card gains [+400/+200] until end of turn. Rest, remove two intellect counters from this card: Search your deck for a chant, reveal it and put it into your hand. Then shuffle your deck.