Whenever a Symbiotic creature dies, it creates a number of 1/1 green Insect creature tokens equal to its power and toughness (which are always the same)
If you could mash the two Standard formats together, you'd see this ranking from least to most expensive: (Red bars are decks from Kahns of Tarkir Standard in November 2014
122 Koraidon
We know that the PTCG videogame itself released in North America on April 10th, but the release dates for the game and the guide didnt necessarily line up
Bumbleflower 60%inclusion 21.7K decks 36.3K decks Pantlaza, Sun-Favored 45%inclusion 15.7K decks 34.8K decks Giada, Font of Hope 46%inclusion 15.3K decks 33K decks Y'shtola, Night's Blessed 26%inclusion 12.4K decks 47.5K decks Shorikai, Genesis Engine 47%inclusion 9.67K decks 20.4K decks Isshin, Two Heavens as One 25%inclusion 7.46K decks 29.4K decks Queen Marchesa 40%inclusion 7.45K decks 18.8K decks Baylen, the Haymaker 23%inclusion 6.93K decks 30.3K decks Arabella, Abandoned Doll 31%inclusion 6.62K decks 21.5K decks Arcades, the Strategist 28%inclusion 6.30K decks 22.5K decks Atla Palani, Nest Tender 31%inclusion 6.17K decks 20.1K decks Voja, Jaws of the Conclave 33%inclusion 5.97K decks 18.1K decks Sonic the Hedgehog 51%inclusion 5.51K decks 10.9K decks Eriette of the Charmed Apple 30%inclusion 5.48K decks 18.5K decks Kaalia of the Vast 14%inclusion 5.37K decks 38.2K decks The Jolly Balloon Man 43%inclusion 4.98K decks 11.6K decks Ragost, Deft Gastronaut 29%inclusion 4.98K decks 17.3K decks The Necrobloom 21%inclusion 4.90K decks 23.1K decks Helga, Skittish Seer 24%inclusion 4.84K decks 20K decks Rin and Seri, Inseparable 20%inclusion 4.74K decks 23.2K decks Edgar Markov 10%inclusion 4.71K decks 48.6K decks Kambal, Profiteering Mayor 73%inclusion 4.70K decks 6.45K decks Kenrith, the Returned King 15%inclusion 4.63K decks 30.9K decks Gishath, Sun's Avatar 22%inclusion 4.60K decks 20.9K decks New Cards Bast, Panther Goddess 4.2%inclusion 0.5lift 1.39K decks 33.1K decks Zuri, Warrior of Wakanda 4.2%inclusion 0.7lift 1.39K decks 33.1K decks Ancestral Communion 3.9%inclusion 0.7lift 1.28K decks 33.1K decks Storm, Queen of Wakanda 3.8%inclusion 0.5lift 1.46K decks 38.8K decks King T'Challa 3.8%inclusion 0.0lift 1.43K decks 38.1K decks High Lift Cards Fisher's Talent 4.3%inclusion 0.8lift 5.50K decks 127K decks Octomancer 5.4%inclusion 0.7lift 6.86K decks 127K decks Delirium 2.2%inclusion 0.7lift 2.40K decks 109K decks W'Kabi, Shield of the Nation 3.7%inclusion 0.7lift 1.21K decks 33.1K decks M'Baku, Jabari Chieftain 2.3%inclusion 0.7lift 774 decks 33.1K decks Winged Hive Tyrant 2.1%inclusion 0.7lift 2.42K decks 116K decks T'Chaka, Venerable King 2.5%inclusion 0.7lift 814 decks 33.1K decks Nakia, Wakandan Operative 2.6%inclusion 0.7lift 864 decks 33.1K decks Wakanda Forever
