This spell costs {2} less to cast if you control a transformed permanent. Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
Spells cost {1} more to cast for each colored mana symbol in their mana cost beyond the first. (For example, a spell with mana cost {W}{W} would cost {1}{W}{W} to cast.)
Children are given an easier time as they start training to build much needed confidence before facing the harsher wilderness.
When Cadalon Experimenter enters, if you control an artifact, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)
“Villages live and die on how many of these cow monsters they can maintain. They're work animals, they're fighters, they're sentinels, they're bait, and, when they're not good for anything else, they're food.” —Karina Oblay, field notes
{1}{G}, Sacrifice Caustic Caterpillar: Destroy target artifact or enchantment.
“Don't let the size fool you, they're capable of a lot of damage,” the professor said. “What do you mean by ‘fool',” Karina asked, “that bug's as big as my head!” The professor was taken aback, “Is that not normal?”
Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.) When Cheerful Generator has three or more +1/+1 counters on it, remove them all and transform it.
“Something is... not quite right here.” —Professor Maple
At the beginning of each player's draw step, that player draws an additional card. Spells cost {1} less to cast. Players may spend mana as though it were mana of any color.
Whenever Combat Technician attacks, create a 1/1 colorless Servo artifact creature token that's tapped and attacking. Then Combat Technician gets +1/+1 until end of turn for each artifact you control.
Combined Generator can't be blocked except by three or more creatures.
“The unnatural creatures have been coming in bigger clusters, each stronger than the sum of their parts. Someone needs to find the source.” —Professor Maple
Harness (You may tap a creature you control as you cast this spell. If you do, reduce this spell's mana cost by that creature's power.) Return target nonland permanent to its owner's hand. If this spell was harnessed, draw a card.