Ratadrabik of Urborg, Saw in Half, Elspeth, Storm Slayer, and Bard, King of Dale

Prerequisites

• Ratadrabik of Urborg on the battlefield
• Saw in Half in hand
• Elspeth, Storm Slayer on the battlefield
• Bard, King of Dale on the battlefield
• available

Steps

1. Cast Saw in Half by paying , destroying [[Increaser - Tokens$1]] and creating four token copies of it with base power equal to half the destroyed creature's power and base toughness equal to half the destroyed creature's toughness, rounding up each time
2. Put all but one [[Increaser - Tokens$1]] token into your graveyard due to the legend rule
3. Ratadrabik triggers four times from the nontoken and token [[Increaser - Tokens$1]]s dying
4. Resolve the first trigger, creating 2^X nonlegendary token copies of [[Increaser - Tokens$1]] that are 2/2 Zombies, where X is the number of [[Increaser - Tokens$1]]s you control plus one
5. Repeat step 4 for the remaining triggers

Results

• Infinite copies of all tokens you control
• Near-infinite ETB
• Near-infinite creature tokens