If a card is Special Summoned from your Spell & Trap Zone to the Monster Zone while this card is a monster: You can target 1 card on the field
Generally speaking, in decks that are three or more colors, you want to play almost all dual lands, along with enough basic lands to support whatever ramp is in your deck (Land Tax, Kodama's Reach, Rampant Growth, et al.)
Talonflame Secluded Springs Uncommon Element Fire Stage Stage 2 HP 130 Weakness Lightning Retreat 1 Artist
Also, Magic Online has shown itself to be completely incapable of handling a burden like this in the best of times
Dracomets Materialized by Sombress Fire Dracomet Suanni, Earth Dracomet Bian, Water Dracomet Bixi, Wind Dracomet Pulao, Phantom Dracomet Chaofeng, Demon Dracomet Taotie, Treasure Dracomet Fuxi, Secret Dracomet Qiuniu Featured Cards: Sacred Sombress
But divvy cards like this and Atris, Oracle of Half-Truths introduce mini-games that are fun to suss out as the opponent making the final decision