Gyre Sage without summoning sickness and with four or more +1/+1 counters on it).
Easy Prerequisites
You have a nonland card in hand.
Steps
Activate
Gyre Sage by tapping it, adding at least ({G} magic symbol) ({G} magic symbol) ({G} magic symbol) ({G} magic symbol) .
Activate
Mind Over Matter by discarding a card, untapping
Gyre Sage.
Activate
Tasigur by paying ({2} magic symbol) ({GU} magic symbol) ({GU} magic symbol) , causing you to mill two cards and return a nonland card from your graveyard to your hand.