This was way more prevalent back in 2013 or so, but its pretty weak by todays standards and folds like a lawn chair to bounce spells and -1/-1 counters (which can actually take Skullbriar out of commission permanently)
Plus, any blood they *did* donate would be a massive win for the blood bank
Troll Level: Gordon Bombay Topan Freeblade How many french vanilla creatures can we make with Rewnown
A strong start with Mayael can see you activating her as soon as turn three, suddenly dropping a Darksteel Colossus way before anyone can possibly hope to remove it
One thing to keep in mind with Invasion of the Giants is that there are simply no good six-mana Giants, so the natural curve of casting this on Turn 2 and a six-drop on Turn 4 does not exist
(For example, one could play Lugia to beat Urshifu but that deck is unfavored against Miraidon, Charizard, and Gardevoir, so its hard to justify bringing it to any major event.) The main threat to the deck is Mew VMAX, which has a decent matchup spread outside of Urshifu