Most tend to be ways of killing artifacts or tempo dorks which are both things red or green have without need of combining forces
: Level 2 Whenever you gain life, put a +1/+1 counter on target creature you control
While this card fell far from its high around $340, it has seen a significant resurgence, climbing from the $250 range into the low $300s, and soaring to its current price as demand continues to push this card higher.
Shadowless cards ARE Unlimited cards, theyre a visually distinct early version of Unlimited
LP copies consistently sell for about $350, though you will struggle to find an NM copy, which hasn't sold recently on TCGplayer
This is a great body for a sweet spells deck, especially because of its four toughness