The Watcher in the Water (Showcase) AVR {T}: Each player gains control

{T}: Each player gains control of all creatures they own

each opponent loses 4 life unless that player sacrifices a nonland permanent of their choice or discards a card

then cast it transformed

create Laserbeak

This creature gets +1/+2 as long as you control a Forest

The Watcher in the Water (Showcase) AVR {T}: Each player gains controlThe Watcher in the Water enters tapped with nine stun counters on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Whenever you draw a card during an opponent's turn, create a 1 1 blue Tentacle creature token. Whenever a Tentacle you control dies, untap up to one target Kraken and put a stun counter on up to one target nonland permanent.