As for the effect of the card - casting 7 CMC worth of instants isn't hard, so this can often be a 1 mana 4/4 flier that pings two - and if you happen to be in a pillow fort deck that can grant deathtouch to your creatures, that works just fine
Sacred Foundry by Rob Alexander Sacred Foundry | Illustration by Rob Alexander Rob Alexander is responsible for some of Magics most well-known lands, having drawn four of the original dual lands and the shock lands from the original Ravnica cycle

Tinker Time (Green-Blue-Red deck)100-card ready-to-play March of the Machine Commander Deck with 2 Traditional Foil Legendary cards and 98 nonfoil cards 10 Planechase cards and 1 planar die to trigger unique abilities and jump across the Multiverse 2-card Collector Booster Sample Packcontains 2 special treatment cards from the March of the Machine main set, including 1 Rare or Mythic Rare and at least 1 Traditional Foil card Deck introduces 10 never-before-seen MTG cards to Commander Accessories1 Foil-Etched Display Commander, 10 double-sided tokens, Life Tracker, and deck box Engineer Their Destructionally with a deviously inventive artificer, collecting artifact tokens to strengthen his artifact creature creations into a terrifyingly advanced fighting force
Combat Celebrant has a whopping four power, and its exert ability lets you get an extra attack, which can be all sorts of good for Ryu
Then we put a +1/+1 counter on a target creature and it gets flying until end of turn