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When this creature enters, you may search your library for any number of cards named Andromedan Automatons, reveal them, put them into your hand, then shuffle.
When Will Riker enters, put a +1/+1 counter on another target creature you control.
Choose X target creatures your opponents control. For each of them, create a token that's a copy of that creature, except it has changeling. Those tokens gain haste. Exile those...
You may choose not to untap Lwaxana Troi during your untap step. {2}, {T}: Choose another target creature you control. For as long as Lwaxana Troi remains tapped, if a...
Draw three cards. Then discard two cards unless you discard an artifact card.
At the beginning of combat on your turn, target creature you control gets +1/+0 until end of turn. Then that creature gains menace until end of turn if creatures you...