Chakram Retriever + Temur Sabertooth + Helga, Skittish Seer + Great Whale
Chakram Retriever
Temur Sabertooth
Helga, Skittish Seer
Great Whale
Infinite card drawNear-infinite lifegainNear-infinite lifegain triggersInfinite draw triggersNear-infinite mana lands you control can produceNear-infinite untap of lands you controlNear-infinite creature ETBNear-infinite creature LTBNear-infinite storm countNear-infinite +1/+1 counters on a creatureNear-infinite colored mana that can only be spent to cast creature spells with mana value 4 or greater or creature spells with X in their mana cost
How it works
Activate Helga by tapping it, adding an amount of equal to its power that can only be spent to cast creature spells with mana value 4 or greater or with X in their mana cost.
Activate up to seven lands by tapping them, adding at least 1.
Cast Great Whale by paying its mana cost.
Helga and Chakram Retriever trigger.
Resolve the Helga trigger, causing you to draw a card, gain 1 life, and put a +1/+1 counter on Helga.
Resolve the Chakram Retriever trigger, untapping Helga.
Resolve the Great Whale spell.
When Great Whale enters the battlefield, it triggers, untapping up to seven lands.
Activate Temur Sabertooth by paying 1, returning Great Whale from the battlefield to your hand.