They debuted in Dominaria in 2018, and each of those theme boosters had cards of a specific color theme
Wonder Pick full-art starter: Bulbasaur Starting deck : Sandslash Fighting-type deck This pack is a great pick if you want to run a budget-friendly but competitive Marowak EX deck as the starting deck has a lot of the necessary cards
Creature Artifact - Myr Phyrexian Color tag templates(None) Silver Myr Creature Artifact - Myr Color tag templates(None) Ramp (CTRL to add secondary) Win Con Qty: 13 Price: $479.85 Hovermyr Creature Artifact - Myr Color tag templates(None) Ichorclaw Myr Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Whenever this creature becomes blocked, it gets +2/+2 until end of turn
The good news: Its not that hard
By bouncing the enchantment as a cost, opponents cannot respond to it with instant removal, and it cannot be removed by sorcery removal on later turns
In an aggressive enough deck this might be enough to outspeed your foe, but there's still some more value to be had