Even though your trampler cant kill the creature itself, it only needs to assign what needs to be lethal damage before assigning the excess to the defending player
If Sundering Growth flips up, all players target an artifact or enchantment, then populate
However, when you pull something more special, they feel very special, and Im delighted to report that in our smallish sample, that happened a lot more often than I was expecting
Creature Artifact - Golem Color tag templates(None) Spark Double You may have this creature enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary
1G: You may return another creature you control to its owner's hand
But when the Phyrexian invasion came to Tarkir and the rebellions within Silumgar's brood came to a head, it was clear that her amassed power was waning and her authority slipping