Being able to sacrifice a creature to make an amount of 1/1 creatures equal to its mana value is very strong, especially as a response to targeted or mass removal
Cavalier of Thorns Cavalier of Thorns is a versatile, higher-curve threat that can help you ramp into the late game and provide additional threats when it hits the bin
Though this is a reliable source of Treasure production, Goldspan Dragon most notably states that rather than producing one mana of any color, when sacrificed, its controller's treasures produce two mana of any one color instead
Retrace This was something I thought would suck, but the idea made me giggle so I tried it
Does Oloro, Ageless Ascetic use any infinite combos
Naturally, you need to have that many lands in your hand in order to take full advantage of this effect, and if youve put that many lands into play, you arent going to have very many cards to take advantage of them without drawing some more