Sliver Queen + Rukarumel, Biologist + Quickbeam, Upstart Ent + Devoted Druid

Prerequisites

• Devoted Druid does not have a -1/-1 counter on it and does not have summoning sickness.
• "Treefolk" chosen with Rukarumel.

Steps

1. 1Activate Devoted Druid's first ability by tapping it, adding .
2. 2Activate Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
3. 3Activate Devoted Druid's first ability by tapping it, adding .
4. 4Activate Sliver Queen by paying , creating a 1/1 Sliver creature token.
5. 5When the Sliver enters the battlefield as a Treefolk due to Rukarumel, Quickbeam triggers, giving Devoted Druid and up to one other creature +2/+2 until end of turn.
6. 6Activate Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
7. 7Repeat.

Effects

• Infinite creature ETB
• Infinite creature tokens
• Infinite power and toughness for most creatures you control until end of turn