While it doesn't exactly fall cleanly on the "combo kills on turn three" or "ubiquitous staple too good not to play on rate" scale, putting double digits worth of power into play on turn two with alarming regularity is not something that is sustainable for a reasonable format
Add cards like Derevi, Empyrial Tactician or Druids' Repository, and suddenly youve got infinite combat, infinite tokens, and infinite triggers
Instant Color tag templates(None) Instant (CTRL to add secondary) Land Qty: 34 (36 w/ MDFC)Price: 1120.91 Forest Basic Land - Forest Color tag templates(None) Gaea's Cradle : Add for each creature you control
If the target noncreature spell is an illegal target as Glen Elendra Guardian's last ability tries to resolve (probably because that spell already left the stack due to another effect), it won't resolve and none of its effects will happen
Other copies have had a bit of a spike in price recently, so a reprint of this frog commander is well-timed
Enchantment Color tag templates(None) Enchantment (CTRL to add secondary) Instant Qty: 11 Price: $32.99 Arcane Denial Counter target spell