Prodigious Growth

Enchant creature
Enchanted creature gets +7/+7 and has trample.

Island

Ivy, Gleeful Spellthief

Flying
Whenever a player casts a spell that targets only a single creature other than Ivy, Gleeful Spellthief, you may copy that spell. The copy targets Ivy. (A copy of an Aura spell becomes a token.)

Venerated Rotpriest

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)
Whenever a creature you control becomes the target of a spell, target opponent gets a poison counter.

Forest

Colossification

Enchant creature
When Colossification enters, tap enchanted creature.
Enchanted creature gets +20/+20.

Have

Getting

Don't Have

{"ops":[{"insert":"Group-hug type build\nGive opponents aura buffs that Ivy steals\n"}]}