First printed in Eventide (2008)
Rendclaw Trow 

Creature — Troll
Wither (This deals damage to creatures in the form of -1/-1 counters.)
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
In the last 30 days 0.0% of Commander decks played it (1 of 6150). Most played in Gorma, the Gullet.
Combos
3 combos from Commander Spellbook, the most popular first.
- Infinite death triggers, Infinite creature ETB…: Phyrexian Altar + Quillspike + Rendclaw Trow
- Infinite +1/+1 counters on a creature, Infinite colorless mana…: Ashnod's Altar + Necrosynthesis + Rendclaw Trow + Tayam, Luminous Enigma
- Infinite +1/+1 counters on a creature, Infinite colorless mana…: Ashnod's Altar + Rendclaw Trow + Sengir, the Dark Baron + Tayam, Luminous Enigma
Legality
Constructed
- Standard Not legal
- Pioneer Not legal
- Modern Legal
- Legacy Legal
- Vintage Legal
- Pauper Legal
- Future Standard Not legal
- Historic Not legal
- Timeless Not legal
- Alchemy Not legal
- Penny Dreadful Not legal
- Premodern Not legal
- Old School 93/94 Not legal
Singleton
- Gladiator Not legal
Commander formats
- Commander Legal
- Duel Commander Legal
- Pauper Commander Legal
- PreDH Legal
- Tiny Leaders Legal
- Oathbreaker Legal
- Brawl Not legal
- Standard Brawl Not legal
- Competitive Brawl Not legal