I mean, I can understand that somewhere, someone designed this card thinking that often you would add X mana to your pool and not be able to use it, with mana burn ensuing
Tack on a whenever a frog dies ability, make it legendary, and youve got yourself a creature thats worth brewing around
Card of Demise is a card that allows the user to draw until they are holding 5 cards, with the supposed drawback that they must discard their entire hand after 5 turns have passed
The gold standard is a dynamic multi-layer approach tailored to your specific use case
Just having Inti around means that it gets stronger each turn when attacking, and you have a baseline 2/2 that already attacks as a 3/3, not to mention synergies with unblockable creatures or big, fatty green creatures