You want to hinder your opponent and challenge any of the opposing characters using your cards to do that
So you're not really ramping after all - your extra mana is all too fleeting, which is what makes this a red ability
Hagneia Equip Artifact - Equipment Artifact (CTRL to add secondary) Creature Ardbert, Warrior of Darkness Whenever you cast a white spell, put a +1/+1 counter on each legendary creature you control
The cards are designed with their mechanics first in a spreadsheet, with rarity assigned according to certain stats and text
If your opponent tries to rules lawyer you, the untap effect isnt conditional on the discard if your opponent cant discard, the untap still happens
Professor Hojo sets you up for powerful plays with equipment, but you can turn it into a reliable card draw engine with cards like Elvish Herder and Rhonas the Indomitable to draw a card for each turn