Whenever a nontoken creature enters, if this artifact is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.

White creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, create a 1/1 white Warrior creature token with vigilance.

Whenever you draw a card, put a +1/+1 counter on this creature. When this creature dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on this creature. (They can't be blocked as long as defending player controls an Island.)

Flying Whenever a nontoken creature an opponent controls enters, create a token that's a copy of that creature except it's an artifact in addition to its other types. Then exile all other tokens created with this creature.

{B}, {T}, Sacrifice another creature: Create X 2/2 black Zombie creature tokens, where X is the sacrificed creature's power.

This creature enters with X +1/+1 counters on it. When this creature dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on this creature. {1}, {T}: Put a +1/+1 counter on this creature.

Whenever you draw a card, you may pay {1}. If you do, put a +1/+1 counter on this creature and create a 1/1 blue Tentacle creature token.

Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

When this creature dies, create a 3/3 blue Fish creature token with "When this token dies, create a 6/6 blue Whale creature token with 'When this token dies, create a 9/9 blue Kraken creature token.'"

Deathtouch Exploit (When this creature enters, you may sacrifice a creature.) When Sidisi exploits a creature, you may search your library for a card, put it into your hand, then shuffle.

Flash (You may cast this spell any time you could cast an instant.) Flying Exploit (When this creature enters, you may sacrifice a creature.) When this creature exploits a creature, counter target creature spell.

Whenever a creature you control dies, draw a card. +1: Create a 2/2 black Zombie creature token. −4: Each player sacrifices two creatures of their choice. −9: Each opponent chooses a permanent they control of each permanent type and sacrifices the rest.