Eileen and Lothar

Double strike Trample
When Eileen and Lothar enter the battlefield, you may choose to gain X life, draw X cards, have target opponent lose X life, or discard X cards.
At the beginning of your upkeep, you may pay X life and put X +1/+1 counters of Eileen and Lothar, or you may pay X life and put X -1/-1 counters on target creature.
"Despite their differences, Eileen and Lothar knew their alliance would benefit all those in Zendikar, including themselves"