For example, if you're instructed to draw two cards and you replace the first draw with a dredge ability, another card with a dredge ability (including one that was milled by the first dredge ability) may be used to replace the second draw
Leonin Arbiter is good, but you have at least five fetch lands where paying 1 life and then an additional to search for a land when you can play Rampant Growth for the same function doesn't make a lotta sense
Lord Skitters Blessing Lord Skitter's Blessing is a discounted Phyrexian Arena so long as you can keep an enchanted creature on board
You can pay three mana to give all of your creatures +1/+0 until the end of the turn, but the main ability is that Purphoros will deal two damage to each opponent every time a creature enters on your side of the battlefield
Then, it stood there waiting, and Thalia understood: it was offering to let her ride it
Activate only if you control a Plains