Currently in Standard there are only two such cards that let you do that
More specific pieces can be found in the last part of this article
I think if you wanted you could switch out Runescarred Demon for Razaketh (or just pretend Runescarred is Razaketh to test haha), both are tutors that cost a lot of mana, Razaketh is a much better body and a much better tutor IMHO

If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.) Aerathi Berserker Rarity: Uncommon TYPE: Creature SUBTYPE: Human Berserker CMC: 5 Mana cost: USD: $2.85 EUR: 2.97 TIX: 0.00 EDHREC RANK: 28725 (2/4) Rampage 3 (Whenever this creature becomes blocked, it gets +3/+3 until end of turn for each creature blocking it beyond the first.) Aisling Leprechaun Rarity: Common TYPE: Creature SUBTYPE: Faerie CMC: 1 Mana cost: USD: $0.60 EUR: 1.01 TIX: 0.00 EDHREC RANK: 29572 (1/1) Whenever this creature blocks or becomes blocked by a creature, that creature becomes green
Pokmon Deck Build Box A Deck Build Box is a specially curated product designed to help players construct a ready-to-play 60-card deck right out of the box
Utilising the power of Whirler Virtuoso to power out Thopter Tokens and Aetherworks Marvel to drop in the titans of Emrakul, the Promised End and Ulamog the Ceaseless Hunger