I am a bit worried that 2 mana can be slightly too expensive for a tapper, but it is potentially a crime per turn cycle
And when you do manage to gang up and kill him, it's not like the Commander tax on a 3 mana leader is overly prohibitive to replaying Leo
An ability of the equipped creature or an emblem you own that triggers when a creature "leaves the battlefield" will trigger twice if that creature leaves the battlefield by dying
At base cost 3, you can use it as a board wipe for tokens, and even if your opponent's creatures have hexproof, you can still get them if there is another permanent with the same cost on your table, or another player's
Once during each of your turns, you may cast a Dragon creature spell from your graveyard
There are 5 common, 5 uncommon, 6 rare, and 5 mythic rare SPE Welcome Deck cards