Whenever you cast a spell that [CHOICE A], create a green Elemental creature token named Maro with "This creature's power and toughness are each equal to the number of [CHOICE B]."
—As you create your deck, choose an [A] and a [B] —
• [A1] "is an Elemental"| [A2] "has a watermark or landscape orientation"| [A3] "targets a creature you control"
• [B1] "cards in your hand"| [B2] "card types among cards in your graveyard"| [B3] "artists among nonland, nontoken permanents you control"