Ashaya, Soul of the Wild's power and toughness are each equal to the number of lands you control. Nontoken creatures you control are Forest lands in addition to their other types. (They're still affected by summoning sickness.)

Boneyard Wurm's power and toughness are each equal to the number of creature cards in your graveyard.

Trample Cultivator Colossus's power and toughness are each equal to the number of lands you control. When Cultivator Colossus enters the battlefield, you may put a land card from your hand onto the battlefield tapped. If you do, draw a card and repeat this process.

At the beginning of your upkeep, put a +1/+1 counter on Descendant of Masumaro for each card in your hand, then remove a +1/+1 counter from Descendant of Masumaro for each card in target opponent's hand.

Whenever a player casts a noncreature spell, each of that player's opponents may draw a card.

Shroud (This creature can't be the target of spells or abilities.) Multani, Maro-Sorcerer's power and toughness are each equal to the total number of cards in all players' hands.

(Gain the next level as a sorcery to add its ability.) Landfall — Whenever a land enters the battlefield under your control, you gain 1 life. {2}{G}: Level 2 You may play an additional land on each of your turns. {2}{G}: Level 3 When this Class becomes level 3, target land you control becomes a creature with haste and "This creature's power and toughness are each equal to the number of lands you control." It's still a land.

({T}: Add {G}.)