血統詐称者/Bloodline Pretender

Artifact Creature - Shapeshifter
Changeling (This card is every creature type.) <CR>
As Bloodline Pretender enters, choose a creature type. <CR>
Whenever another creature you control of the chosen type enters, put a +1/+1 counter on Bloodline Pretender.

Artifact Creature - Shapeshifter
Changeling (This card is every creature type.) <CR>
As this creature enters, choose a creature type. <CR>
Whenever another creature you control of the chosen type enters, put a +1/+1 counter on this creature.

Artifact Creature - Shapeshifter
Changeling (This card is every creature type.) <CR>
As Bloodline Pretender enters the battlefield, choose a creature type. <CR>
Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender.

Artifact Creature - Shapeshifter
Changeling (This card is every creature type.) <CR>
As Bloodline Pretender enters, choose a creature type. <CR>
Whenever another creature you control of the chosen type enters, put a +1/+1 counter on Bloodline Pretender.