The loyalty abilities on planeswalkers are activated abilities, so you can copy them with Rings of Brighthearth

Archdruid's Charm Avenging Druid Awakener Druid Blightsoil Druid Boreal Druid Circle of Dreams Druid Circle of the Land Druid Circle of the Moon Druid Citanul Druid Devoted Druid Dionus, Elvish Archdruid Dreampod Druid Druid Class Druid Lyrist Druid of Horns Druid of Purification Druid of the Anima Druid of the Cowl Druid of the Emerald Grove Druid of the Sacred Beaker Druid of the Spade Druid's Call Druid's Deliverance Druid's Familiar Druidic Ritual Druidic Satchel Druids' Repository Elder Druid Elfhame Druid Elvish Archdruid Fang-Druid Summoner Fugitive Druid Fyndhorn Druid Gilt-Leaf Archdruid Great Forest Druid Greenweaver Druid Grovetender Druids Halsin, Emerald Archdruid Harabaz Druid Harvester Druid Heritage Druid Hermit Druid Hermit Druid Avatar Ichneumon Druid Incubation Druid Jenson Carthalion, Druid Exile Juniper Order Druid Kagha, Shadow Archdruid Kamahl's Druidic Vow Krosan Druid Leafkin Druid Ley Druid Lifespring Druid Llanowar Druid Oath of Druids Paradise Druid Pollenbright Druid Primal Druid Quagmire Druid Questing Druid Questing Druid Quirion Druid Rootweaver Druid Springbloom Druid Sunshower Druid Tatyova, Benthic Druid Teferi, Druid of Argoth (playtest) Thelonite Druid Woodland Druid Zhur-Taa Druid

Turn two Warp it in, clear a threat, hit for four
The first mode will always happen before the second, which happens before the third, and so on
White has a lot of token-creating effects and creatures with the offspring keyword, so this should help keep a healthy hand
Choose the Red-Green deck to do massive damage with buffed-up creatures, trampling through your opponent's defenses