[Enter] : Put target SIGNI from your trash onto your field as SIGNI with no abilities. At end of turn, put it on your field into its owner's trash.

[Enter] (B)(C)(C)(C)(C) : Put up to two target SIGNI from your trash onto your field as SIGNI with no abilities. At end of turn, put them on your field into their owner's trash.
(The text before the colon indicates the [Enter] ability's cost. You may choose not to pay it, in which case the [Enter] ability will not activate.)