The AI needs a single clear subject to anchor the creature design multiple subjects cause the feature mapping to blur between them, producing a generic result instead of a recognizable transformation
V Battle Decks Transfer Break and Mega Punchwith Mewtwo V and Melmetal V
If you do explore with the exploring creature no longer on the battlefield, nothing will get the +1/+1 counter if a nonland card is revealed
Here's a deck Kevin ran back in 2015: 4 Flagstones of Trokair 2 Ghost Quarter 4 Windbrisk Heights 11 Plains 4 Serra Ascendant 4 Soul Warden 4 Soul's Attendant 4 Ajani's Pridemate 4 Auriok Champion 4 Ranger of Eos 4 Path to Exile 4 Honor of the Pure 4 Spectral Procession 3 Secure the Wastes 1 Mark of Asylum 3 Stony Silence 1 Suppression Field 4 Celestial Flare 1 Wrath of God 1 Archange l of Thune 2 Return to the Ranks 2 Sundering Growth What we take from this is we need Soul Sisters, protection, disruption, and creatures that grow really big
The Water type deals extra damage to the popular Fire and Fighting types but can be weak to Lightning, Grass, Fighting, or Metal