Cryptic Trilobite enters with X +1/+1 counters on it. Remove a +1/+1 counter from Cryptic Trilobite: Add {C}{C}. Spend this mana only to activate abilities. {1}, {T}: Put a +1/+1 counter on Cryptic Trilobite.
2020-04-17
A mana cost of {X}{X} means that you pay twice X. If you want X to be 3, you pay {6} to cast Cryptic Trilobite.
2020-04-17
Activated abilities contain a colon, such as Cryptic Trilobite's activated mana ability and its last activated ability. They're generally written "[Cost]: [Effect]." Some keyword abilities are activated abilities (such as cycling) and will have colons in their reminder text.
2020-04-17
You can spend the two colorless mana produced by Cryptic Trilobite on two different activated abilities.