Repulse took an already good effect (bounce) and added a "draw a card" clause
When used alongside a card that lets you reshuffle your graveyard back into your deck, Time Walk can still be quite the strong card, and that means its a highly sought-after one, too
At some point, I saw and built a Grixis Dragonstorm Commander deck with cheap ramp spells, tutors, and fast mana to build up into a large Dragonstorm, and swing for the win with hasty dragons thanks to Dragonlord Kolaghan or a convoluted combo involving Worldgorger Dragon and Animate Dead, making it one of the funniest decks Ive ever played with
There are four big remaining proliferate cards to consider: the best is Yawgmoth, Thran Physician, which turns The Hollow into draw + removal and then you can spam proliferates for easy wins
Vaan and his group had to collect energy off of the magicite structures (the orange collection of tall rocks in the art) to create a Sunstone
Youve got Insects from Hornet Queen and then you have Radagast, Wizard of Wilds that creates Birds and Beast