Random Ideas for PVZH

Cosmic Gargantuar
Beastly
Science Gargantuar Zombie
5-cost 4/5
Frenzy. When Played: Conjure a Gargantuar. It gets Frenzy.
Random Set-Rare
"Space is a big place. He's bigger somehow."

Fucking Hell / [Universal]
10-cost 5/8
Bullseye. Untrickable.

If the Opponent hates Solar, make a Heartichoke with Bullseye. Increase your max health by 100. Then this transforms into an Astro Vera. Make a copy of this with Team-up and Amphibious in every lane.
If the Opponent hates Smarty, Freeze all Zombies in board and hand, then Bounce all Zombies. They are still Frozen. All zombie cards cost 5 more. The Zombie hero loses all their brains this turn.
If the Opponent hates Guardian, make Water Chestnuts in all lanes and all plants can’t be hurt this turn, along with your hero. Destroy all Zombies with 4 or more strength on the field, in their hand, and in their deck. All plants get Bullseye. Make a Pecanolith
If the opponent hates Kabloom, this transforms into an Astro Shroom. Make two puff shrooms in every lane. Then transform every other plant into a random plant that costs 6 or more.
If your opponent hates Mega Grow, all plants get +4/+4 and do two bonus attacks. They all gain Untrickable and Double Strike.
If your opponent hates Beastly, all zombies get Frenzy and +5/+5. Gain five Vitamin Z. They cost three less.
If you opponent hates Hearty, transform all zombies into Stompadons. Draw to fill your hand. All zombies cost 0. Then destroy all Stompadons. Heal your hero to full. All zombies played this turn cannot be hurt.
If your opponent hates Brainy, all zombies get Bullseye. They do three bonus attacks. Then transform them into a zombie that costs 9. Gain a Zomblob, Teleport, and a Lurch for Lunch. You get +100 brains this turn.
If your opponent hates Sneaky, transform this into a Zombot. Then make a Mixed Up Gravedigger in a random lane. Make a Laser Base Alpha in every ground lane.
If your opponent hates Crazy, destroy this. Then make a QuickDraw ConMan in every lane. The Plant Hero draws 10 cards.